23 lines
782 B
Factor
23 lines
782 B
Factor
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! Copyright (C) 2007 Slava Pestov, Daniel Ehrenberg.
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! See http://factorcode.org/license.txt for BSD license.
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USING: math kernel memoize tools.test parser
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prettyprint io.streams.string sequences ;
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IN: memoize.tests
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MEMO: fib ( m -- n )
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dup 1 <= [ drop 1 ] [ dup 1 - fib swap 2 - fib + ] if ;
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[ 89 ] [ 10 fib ] unit-test
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[ "USING: kernel math memoize ; IN: memoize.tests MEMO: x ( a b c d e -- f g h i j ) >r >r >r >r 1+ r> r> r> r> ;" eval ] must-fail
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MEMO: see-test ( a -- b ) reverse ;
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[ "USING: memoize sequences ;\nIN: memoize.tests\nMEMO: see-test ( a -- b ) reverse ;\n" ]
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[ [ \ see-test see ] with-string-writer ]
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unit-test
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[ ] [ "IN: memoize.tests : fib ;" eval ] unit-test
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[ "IN: memoize.tests\n: fib ( -- ) ;\n" ] [ [ \ fib see ] with-string-writer ] unit-test
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