560 lines
16 KiB
Factor
560 lines
16 KiB
Factor
USING: arrays generic inference inference.backend
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inference.dataflow kernel classes kernel.private math
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math.parser math.private namespaces namespaces.private parser
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sequences strings vectors words quotations effects tools.test
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continuations generic.standard sorting assocs definitions
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prettyprint io inspector bootstrap.image tuples
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classes.union classes.predicate debugger bootstrap.image
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bootstrap.image.private io.launcher threads.private
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io.streams.string combinators.private ;
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IN: temporary
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: short-effect
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dup effect-in length swap effect-out length 2array ;
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[ { 0 2 } ] [ [ 2 "Hello" ] infer short-effect ] unit-test
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[ { 1 2 } ] [ [ dup ] infer short-effect ] unit-test
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[ { 1 2 } ] [ [ [ dup ] call ] infer short-effect ] unit-test
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[ [ call ] infer short-effect ] unit-test-fails
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[ { 2 4 } ] [ [ 2dup ] infer short-effect ] unit-test
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[ { 1 0 } ] [ [ [ ] [ ] if ] infer short-effect ] unit-test
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[ [ if ] infer short-effect ] unit-test-fails
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[ [ [ ] if ] infer short-effect ] unit-test-fails
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[ [ [ 2 ] [ ] if ] infer short-effect ] unit-test-fails
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[ { 4 3 } ] [ [ [ rot ] [ -rot ] if ] infer short-effect ] unit-test
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[ { 4 3 } ] [
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[
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[
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[ swap 3 ] [ nip 5 5 ] if
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] [
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-rot
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] if
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] infer short-effect
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] unit-test
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[ { 1 1 } ] [ [ dup [ ] when ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ dup [ dup fixnum* ] when ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ [ dup fixnum* ] when ] infer short-effect ] unit-test
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[ { 1 0 } ] [ [ [ drop ] when* ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ [ { { [ ] } } ] unless* ] infer short-effect ] unit-test
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[ { 0 1 } ] [
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[ [ 2 2 fixnum+ ] dup [ ] when call ] infer short-effect
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] unit-test
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[
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[ [ [ 2 2 fixnum+ ] ] [ [ 2 2 fixnum* ] ] if call ] infer
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] unit-test-fails
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! Test inference of termination of control flow
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: termination-test-1
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"foo" throw ;
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: termination-test-2 [ termination-test-1 ] [ 3 ] if ;
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[ { 1 1 } ] [ [ termination-test-2 ] infer short-effect ] unit-test
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: infinite-loop infinite-loop ;
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[ [ infinite-loop ] infer short-effect ] unit-test-fails
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: no-base-case-1 dup [ no-base-case-1 ] [ no-base-case-1 ] if ;
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[ [ no-base-case-1 ] infer short-effect ] unit-test-fails
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: simple-recursion-1 ( obj -- obj )
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dup [ simple-recursion-1 ] [ ] if ;
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[ { 1 1 } ] [ [ simple-recursion-1 ] infer short-effect ] unit-test
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: simple-recursion-2 ( obj -- obj )
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dup [ ] [ simple-recursion-2 ] if ;
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[ { 1 1 } ] [ [ simple-recursion-2 ] infer short-effect ] unit-test
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: bad-recursion-2 ( obj -- obj )
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dup [ dup first swap second bad-recursion-2 ] [ ] if ;
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[ [ bad-recursion-2 ] infer short-effect ] unit-test-fails
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: funny-recursion ( obj -- obj )
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dup [ funny-recursion 1 ] [ 2 ] if drop ;
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[ { 1 1 } ] [ [ funny-recursion ] infer short-effect ] unit-test
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! Simple combinators
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[ { 1 2 } ] [ [ [ first ] keep second ] infer short-effect ] unit-test
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! Mutual recursion
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DEFER: foe
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: fie ( element obj -- ? )
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dup array? [ foe ] [ eq? ] if ;
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: foe ( element tree -- ? )
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dup [
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2dup first fie [
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nip
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] [
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second dup array? [
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foe
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] [
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fie
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] if
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] if
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] [
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2drop f
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] if ;
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[ { 2 1 } ] [ [ fie ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ foe ] infer short-effect ] unit-test
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: nested-when ( -- )
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t [
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t [
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5 drop
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] when
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] when ;
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[ { 0 0 } ] [ [ nested-when ] infer short-effect ] unit-test
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: nested-when* ( obj -- )
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[
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[
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drop
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] when*
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] when* ;
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[ { 1 0 } ] [ [ nested-when* ] infer short-effect ] unit-test
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SYMBOL: sym-test
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[ { 0 1 } ] [ [ sym-test ] infer short-effect ] unit-test
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: terminator-branch
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dup [
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length
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] [
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"foo" throw
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] if ;
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[ { 1 1 } ] [ [ terminator-branch ] infer short-effect ] unit-test
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: recursive-terminator ( obj -- )
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dup [
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recursive-terminator
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] [
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"Hi" throw
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] if ;
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[ { 1 0 } ] [ [ recursive-terminator ] infer short-effect ] unit-test
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GENERIC: potential-hang ( obj -- obj )
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M: fixnum potential-hang dup [ potential-hang ] when ;
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[ ] [ [ 5 potential-hang ] infer short-effect drop ] unit-test
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TUPLE: funny-cons car cdr ;
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GENERIC: iterate ( obj -- )
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M: funny-cons iterate funny-cons-cdr iterate ;
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M: f iterate drop ;
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M: real iterate drop ;
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[ { 1 0 } ] [ [ iterate ] infer short-effect ] unit-test
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! Regression
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: cat ( obj -- * ) dup [ throw ] [ throw ] if ;
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: dog ( a b c -- ) dup [ cat ] [ 3drop ] if ;
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[ { 3 0 } ] [ [ dog ] infer short-effect ] unit-test
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! Regression
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DEFER: monkey
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: friend ( a b c -- ) dup [ friend ] [ monkey ] if ;
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: monkey ( a b c -- ) dup [ 3drop ] [ friend ] if ;
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[ { 3 0 } ] [ [ friend ] infer short-effect ] unit-test
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! Regression -- same as above but we infer short-effect the second word first
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DEFER: blah2
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: blah ( a b c -- ) dup [ blah ] [ blah2 ] if ;
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: blah2 ( a b c -- ) dup [ blah ] [ 3drop ] if ;
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[ { 3 0 } ] [ [ blah2 ] infer short-effect ] unit-test
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! Regression
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DEFER: blah4
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: blah3 ( a b c -- )
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dup [ blah3 ] [ dup [ blah4 ] [ blah3 ] if ] if ;
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: blah4 ( a b c -- )
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dup [ blah4 ] [ dup [ 3drop ] [ blah3 ] if ] if ;
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[ { 3 0 } ] [ [ blah4 ] infer short-effect ] unit-test
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! Regression
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: bad-combinator ( obj quot -- )
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over [
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2drop
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] [
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[ swap slip ] keep swap bad-combinator
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] if ; inline
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[ [ [ 1 ] [ ] bad-combinator ] infer short-effect ] unit-test-fails
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! Regression
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: bad-input#
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dup string? [ 2array throw ] unless
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over string? [ 2array throw ] unless ;
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[ { 2 2 } ] [ [ bad-input# ] infer short-effect ] unit-test
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! Regression
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! This order of branches works
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DEFER: do-crap
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: more-crap ( obj -- ) dup [ drop ] [ dup do-crap call ] if ;
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: do-crap ( obj -- ) dup [ more-crap ] [ do-crap ] if ;
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[ [ do-crap ] infer short-effect ] unit-test-fails
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! This one does not
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DEFER: do-crap*
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: more-crap* ( obj -- ) dup [ drop ] [ dup do-crap* call ] if ;
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: do-crap* ( obj -- ) dup [ do-crap* ] [ more-crap* ] if ;
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[ [ do-crap* ] infer short-effect ] unit-test-fails
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! Regression
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: too-deep ( a b -- c )
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dup [ drop ] [ 2dup too-deep too-deep * ] if ; inline
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[ { 2 1 } ] [ [ too-deep ] infer short-effect ] unit-test
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! Error reporting is wrong
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MATH: xyz
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M: fixnum xyz 2array ;
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M: ratio xyz
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[ >fraction ] 2apply swapd >r 2array swap r> 2array swap ;
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[ t ] [ [ [ xyz ] infer short-effect ] catch inference-error? ] unit-test
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! Doug Coleman discovered this one while working on the
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! calendar library
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DEFER: A
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DEFER: B
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DEFER: C
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: A ( a -- )
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dup {
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[ drop ]
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[ A ]
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[ \ A no-method ]
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[ dup C A ]
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} dispatch ;
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: B ( b -- )
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dup {
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[ C ]
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[ B ]
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[ \ B no-method ]
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[ dup B B ]
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} dispatch ;
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: C ( c -- )
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dup {
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[ A ]
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[ C ]
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[ \ C no-method ]
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[ dup B C ]
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} dispatch ;
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[ { 1 0 } ] [ [ A ] infer short-effect ] unit-test
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[ { 1 0 } ] [ [ B ] infer short-effect ] unit-test
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[ { 1 0 } ] [ [ C ] infer short-effect ] unit-test
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! I found this bug by thinking hard about the previous one
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DEFER: Y
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: X ( a b -- c d ) dup [ swap Y ] [ ] if ;
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: Y ( a b -- c d ) X ;
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[ { 2 2 } ] [ [ X ] infer short-effect ] unit-test
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[ { 2 2 } ] [ [ Y ] infer short-effect ] unit-test
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! This one comes from UI code
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DEFER: #1
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: #2 ( a b -- ) dup [ call ] [ 2drop ] if ; inline
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: #3 ( a -- ) [ #1 ] #2 ;
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: #4 ( a -- ) dup [ drop ] [ dup #4 dup #3 call ] if ;
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: #1 ( a -- ) dup [ dup #4 dup #3 ] [ ] if drop ;
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[ \ #4 word-def infer short-effect ] unit-test-fails
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[ [ #1 ] infer short-effect ] unit-test-fails
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! Similar
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DEFER: bar
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: foo ( a b -- c d ) dup [ 2drop f f bar ] [ ] if ;
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: bar ( a b -- ) [ 2 2 + ] t foo drop call drop ;
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[ [ foo ] infer short-effect ] unit-test-fails
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[ 1234 infer short-effect ] unit-test-fails
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! This used to hang
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[ t ] [
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[ [ [ dup call ] dup call ] infer ] catch
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inference-error?
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] unit-test
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: m dup call ; inline
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[ t ] [
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[ [ [ m ] m ] infer ] catch inference-error?
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] unit-test
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: m' dup curry call ; inline
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[ t ] [
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[ [ [ m' ] m' ] infer ] catch inference-error?
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] unit-test
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: m'' [ dup curry ] ; inline
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: m''' m'' call call ; inline
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[ t ] [
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[ [ [ m''' ] m''' ] infer ] catch inference-error?
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] unit-test
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: m-if t over if ; inline
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[ t ] [
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[ [ [ m-if ] m-if ] infer ] catch inference-error?
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] unit-test
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! This doesn't hang but it's also an example of the
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! undedicable case
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[ t ] [
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[ [ [ [ drop 3 ] swap call ] dup call ] infer ] catch
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inference-error?
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] unit-test
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! This form should not have a stack effect
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: bad-recursion-1 ( a -- b )
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dup [ drop bad-recursion-1 5 ] [ ] if ;
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[ [ bad-recursion-1 ] infer short-effect ] unit-test-fails
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: bad-bin ( a b -- ) 5 [ 5 bad-bin bad-bin 5 ] [ 2drop ] if ;
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[ [ bad-bin ] infer short-effect ] unit-test-fails
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[ t ] [ [ [ r> ] infer short-effect ] catch inference-error? ] unit-test
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! Test some curry stuff
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[ { 1 1 } ] [ [ 3 [ ] curry 4 [ ] curry if ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ [ ] curry 4 [ ] curry if ] infer short-effect ] unit-test
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[ [ 3 [ ] curry 1 2 [ ] 2curry if ] infer ] unit-test-fails
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! Test number protocol
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[ { 2 1 } ] [ [ bitor ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ bitand ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ bitxor ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ mod ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ /i ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ /f ] infer short-effect ] unit-test
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[ { 2 2 } ] [ [ /mod ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ + ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ - ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ * ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ / ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ < ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ <= ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ > ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ >= ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ number= ] infer short-effect ] unit-test
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! Test object protocol
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[ { 2 1 } ] [ [ = ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ clone ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ hashcode* ] infer short-effect ] unit-test
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! Test sequence protocol
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[ { 1 1 } ] [ [ length ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ nth ] infer short-effect ] unit-test
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[ { 2 0 } ] [ [ set-length ] infer short-effect ] unit-test
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[ { 3 0 } ] [ [ set-nth ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ new ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ new-resizable ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ like ] infer short-effect ] unit-test
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[ { 2 0 } ] [ [ lengthen ] infer short-effect ] unit-test
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! Test assoc protocol
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[ { 2 2 } ] [ [ at* ] infer short-effect ] unit-test
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[ { 3 0 } ] [ [ set-at ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ new-assoc ] infer short-effect ] unit-test
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[ { 2 0 } ] [ [ delete-at ] infer short-effect ] unit-test
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[ { 1 0 } ] [ [ clear-assoc ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ assoc-size ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ assoc-like ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ assoc-clone-like ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ >alist ] infer short-effect ] unit-test
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[ { 1 3 } ] [ [ [ 2drop f ] assoc-find ] infer short-effect ] unit-test
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! Test some random library words
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[ { 1 1 } ] [ [ 1quotation ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ string>number ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ get ] infer short-effect ] unit-test
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[ { 2 0 } ] [ [ push ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ append ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ peek ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ reverse ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ member? ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ remove ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ natural-sort ] infer short-effect ] unit-test
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[ { 1 0 } ] [ [ forget ] infer short-effect ] unit-test
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[ { 4 0 } ] [ [ define-class ] infer short-effect ] unit-test
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[ { 2 0 } ] [ [ define-tuple-class ] infer short-effect ] unit-test
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[ { 2 0 } ] [ [ define-union-class ] infer short-effect ] unit-test
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[ { 3 0 } ] [ [ define-predicate-class ] infer short-effect ] unit-test
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! Test words with continuations
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[ { 0 0 } ] [ [ [ drop ] callcc0 ] infer short-effect ] unit-test
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[ { 0 1 } ] [ [ [ 4 swap continue-with ] callcc1 ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ [ + ] [ ] [ ] cleanup ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ [ + ] [ 3drop 0 ] recover ] infer short-effect ] unit-test
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! Test stream protocol
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[ { 2 0 } ] [ [ set-timeout ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ stream-read ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ stream-read1 ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ stream-readln ] infer short-effect ] unit-test
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[ { 2 2 } ] [ [ stream-read-until ] infer short-effect ] unit-test
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[ { 2 0 } ] [ [ stream-write ] infer short-effect ] unit-test
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[ { 2 0 } ] [ [ stream-write1 ] infer short-effect ] unit-test
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[ { 1 0 } ] [ [ stream-nl ] infer short-effect ] unit-test
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[ { 1 0 } ] [ [ stream-close ] infer short-effect ] unit-test
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[ { 3 0 } ] [ [ stream-format ] infer short-effect ] unit-test
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[ { 3 0 } ] [ [ stream-write-table ] infer short-effect ] unit-test
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[ { 1 0 } ] [ [ stream-flush ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ make-span-stream ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ make-block-stream ] infer short-effect ] unit-test
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[ { 2 1 } ] [ [ make-cell-stream ] infer short-effect ] unit-test
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! Test stream utilities
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[ { 1 1 } ] [ [ lines ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ contents ] infer short-effect ] unit-test
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! Test prettyprinting
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[ { 1 0 } ] [ [ . ] infer short-effect ] unit-test
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[ { 1 0 } ] [ [ short. ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ unparse ] infer short-effect ] unit-test
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[ { 1 0 } ] [ [ describe ] infer short-effect ] unit-test
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[ { 1 0 } ] [ [ error. ] infer short-effect ] unit-test
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! Test odds and ends
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[ { 1 1 } ] [ [ ' ] infer short-effect ] unit-test
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[ { 2 0 } ] [ [ write-image ] infer short-effect ] unit-test
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[ { 1 1 } ] [ [ <process-stream> ] infer short-effect ] unit-test
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[ { 0 0 } ] [ [ idle-thread ] infer short-effect ] unit-test
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! Incorrect stack declarations on inline recursive words should
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! be caught
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: fooxxx ( a b -- c ) over [ foo ] when ; inline
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: barxxx fooxxx ;
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[ [ barxxx ] infer ] unit-test-fails
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! A typo
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[ { 1 0 } ] [ [ { [ ] } dispatch ] infer short-effect ] unit-test
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DEFER: inline-recursive-2
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: inline-recursive-1 ( -- ) inline-recursive-2 ;
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: inline-recursive-2 ( -- ) inline-recursive-1 ;
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[ { 0 0 } ] [ [ inline-recursive-1 ] infer short-effect ] unit-test
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! Hooks
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SYMBOL: my-var
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HOOK: my-hook my-var ( -- x )
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M: integer my-hook "an integer" ;
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M: string my-hook "a string" ;
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[ { 0 1 } ] [ [ my-hook ] infer short-effect ] unit-test
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DEFER: deferred-word
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: calls-deferred-word [ deferred-word ] [ 3 ] if ;
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[ { 1 1 } ] [ [ calls-deferred-word ] infer short-effect ] unit-test
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USE: inference.dataflow
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[ { 1 0 } ] [ [ [ iterate-next ] iterate-nodes ] infer short-effect ] unit-test
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[ { 1 0 } ] [
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[
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[ [ iterate-next ] iterate-nodes ] with-node-iterator
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] infer short-effect
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] unit-test
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: nilpotent ( quot -- )
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t [ [ call ] keep nilpotent ] [ drop ] if ; inline
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: semisimple ( quot -- )
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[ call ] keep [ [ semisimple ] keep ] nilpotent drop ; inline
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[ { 0 1 } ] [
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[ [ ] [ call ] keep [ [ call ] keep ] nilpotent ]
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infer short-effect
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] unit-test
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[ { 0 0 } ] [ [ [ ] semisimple ] infer short-effect ] unit-test
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[ { 1 0 } ] [ [ [ drop ] each-node ] infer short-effect ] unit-test
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DEFER: an-inline-word
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: normal-word-3 ( -- )
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3 [ [ 2 + ] curry ] an-inline-word call drop ;
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: normal-word-2 ( -- )
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normal-word-3 ;
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: normal-word ( x -- x )
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dup [ normal-word-2 ] when ;
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: an-inline-word ( obj quot -- )
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>r normal-word r> call ; inline
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[ { 1 1 } ] [ [ [ 3 * ] an-inline-word ] infer short-effect ] unit-test
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[ { 0 1 } ] [ [ [ 2 ] [ 2 ] [ + ] compose compose call ] infer short-effect ] unit-test
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TUPLE: custom-error ;
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[ T{ effect f 0 0 t } ] [
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[ custom-error construct-boa throw ] infer
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] unit-test
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: funny-throw throw ; inline
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[ T{ effect f 0 0 t } ] [
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[ 3 funny-throw ] infer
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] unit-test
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[ T{ effect f 0 0 t } ] [
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[ custom-error inference-error ] infer
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] unit-test
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[ T{ effect f 1 1 t } ] [
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[ dup >r 3 throw r> ] infer
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] unit-test
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! This was a false trigger of the undecidable quotation
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! recursion bug
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[ { 2 1 } ] [ [ find-last-sep ] infer short-effect ] unit-test
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