slots: pre-create the "at", "nth", and "global" slots to make deterministic the currently nondeterministic ambiguity between accessors:change-* and assocs:change-at, sequences:change-nth, and namespaces:change-global

basis/bit-arrays/bit-arrays.factor

@@ -4,6 +4,7 @@ USING: alien alien.data accessors io.binary math math.bitwise
 alien.accessors kernel kernel.private sequences
 sequences.private byte-arrays parser prettyprint.custom fry
 locals ;
+FROM: sequences.private => change-nth-unsafe ;
 IN: bit-arrays
 
 TUPLE: bit-array

basis/checksums/md5/md5.factor

@@ -6,6 +6,7 @@ splitting grouping strings sequences byte-arrays locals
 sequences.private macros fry io.encodings.binary math.bitwise
 checksums accessors checksums.common checksums.stream
 combinators combinators.smart specialized-arrays literals hints ;
+FROM: sequences.private => change-nth-unsafe ;
 SPECIALIZED-ARRAY: uint
 IN: checksums.md5
 

basis/compiler/cfg/dce/dce.factor

@@ -3,6 +3,7 @@
 USING: accessors arrays assocs kernel namespaces sequences
 compiler.cfg.instructions compiler.cfg.def-use
 compiler.cfg.rpo compiler.cfg.predecessors hash-sets sets ;
+FROM: assocs => change-at ;
 FROM: namespaces => set ;
 IN: compiler.cfg.dce
 

basis/compiler/cfg/linear-scan/allocation/state/state.factor

@@ -5,6 +5,7 @@ heaps kernel math math.order namespaces layouts sequences vectors
 linked-assocs compiler.cfg compiler.cfg.registers
 compiler.cfg.instructions
 compiler.cfg.linear-scan.live-intervals ;
+FROM: assocs => change-at ;
 IN: compiler.cfg.linear-scan.allocation.state
 
 ! Start index of current live interval. We ensure that all

basis/compiler/cfg/linear-scan/linear-scan.factor

@@ -12,6 +12,7 @@ compiler.cfg.linear-scan.allocation
 compiler.cfg.linear-scan.allocation.state
 compiler.cfg.linear-scan.assignment
 compiler.cfg.linear-scan.resolve ;
+FROM: assocs => change-at ;
 IN: compiler.cfg.linear-scan
 
 ! References:

basis/compiler/cfg/representations/selection/selection.factor

@@ -12,6 +12,7 @@ compiler.cfg.rpo
 compiler.cfg.utilities
 compiler.utilities
 cpu.architecture ;
+FROM: assocs => change-at ;
 FROM: namespaces => set ;
 IN: compiler.cfg.representations.selection
 

basis/compiler/cfg/ssa/construction/construction.factor

@@ -11,6 +11,7 @@ compiler.cfg.instructions
 compiler.cfg.renaming
 compiler.cfg.renaming.functor
 compiler.cfg.ssa.construction.tdmsc ;
+FROM: assocs => change-at ;
 FROM: namespaces => set ;
 IN: compiler.cfg.ssa.construction
 

basis/compiler/cfg/ssa/construction/tdmsc/tdmsc.factor

@@ -4,6 +4,7 @@ USING: accessors arrays assocs bit-arrays bit-sets fry
 hashtables hints kernel locals math namespaces sequences sets
 compiler.cfg compiler.cfg.dominance compiler.cfg.rpo ;
 FROM: namespaces => set ;
+FROM: assocs => change-at ;
 IN: compiler.cfg.ssa.construction.tdmsc
 
 ! TDMSC-I algorithm from "A Practical and Fast Iterative Algorithm for

basis/compiler/tree/modular-arithmetic/modular-arithmetic.factor

@@ -10,6 +10,7 @@ compiler.tree.def-use
 compiler.tree.def-use.simplified
 compiler.tree.late-optimizations ;
 FROM: namespaces => set ;
+FROM: assocs => change-at ;
 IN: compiler.tree.modular-arithmetic
 
 ! This is a late-stage optimization.

basis/core-foundation/fsevents/fsevents.factor

@@ -6,6 +6,7 @@ continuations combinators io.encodings.utf8 destructors locals
 arrays specialized-arrays classes.struct core-foundation
 core-foundation.arrays core-foundation.run-loop
 core-foundation.strings core-foundation.time unix.types ;
+FROM: namespaces => change-global ;
 IN: core-foundation.fsevents
 
 SPECIALIZED-ARRAY: void*

basis/disjoint-sets/disjoint-sets.factor

@@ -2,6 +2,7 @@
 ! See http://factorcode.org/license.txt for BSD license.
 USING: accessors arrays hints kernel locals math hashtables
 assocs fry sequences ;
+FROM: assocs => change-at ;
 IN: disjoint-sets
 
 TUPLE: disjoint-set

basis/documents/documents.factor

@@ -4,6 +4,7 @@ USING: accessors arrays io kernel math models namespaces make
 sequences strings splitting combinators unicode.categories
 math.order math.ranges fry locals ;
 FROM: models => change-model ;
+FROM: sequences => change-nth ;
 IN: documents
 
 : +col ( loc n -- newloc ) [ first2 ] dip + 2array ;

basis/game/input/dinput/dinput.factor

@@ -7,6 +7,7 @@ specialized-arrays ui.backend.windows vectors windows.com
 windows.directx.dinput windows.directx.dinput.constants
 windows.kernel32 windows.messages windows.ole32 windows.errors
 windows.user32 classes.struct ;
+FROM: namespaces => change-global ;
 SPECIALIZED-ARRAY: DIDEVICEOBJECTDATA
 IN: game.input.dinput
 

basis/game/input/input.factor

@@ -1,5 +1,6 @@
 USING: arrays accessors continuations kernel math system
 sequences namespaces init vocabs vocabs.loader combinators ;
+FROM: namespaces => change-global ;
 IN: game.input
 
 SYMBOLS: game-input-backend game-input-opened ;

basis/game/input/iokit/iokit.factor

@@ -6,6 +6,7 @@ namespaces assocs arrays combinators hints alien
 core-foundation.run-loop accessors sequences.private
 alien.c-types alien.data math parser game.input vectors
 bit-arrays unix.types ;
+FROM: namespaces => change-global ;
 IN: game.input.iokit
 
 SINGLETON: iokit-game-input-backend

basis/gobject-introspection/gobject-introspection.factor

@@ -5,6 +5,7 @@ gobject-introspection.ffi gobject-introspection.loader
 gobject-introspection.types io io.files io.pathnames kernel lexer
 locals make namespaces parser sequences splitting summary vocabs
 vocabs.parser xml ;
+FROM: namespaces => change-global ;
 IN: gobject-introspection
 
 ERROR: gir-not-found name paths ;

basis/persistent/vectors/vectors.factor

@@ -3,6 +3,7 @@
 USING: math accessors kernel sequences.private sequences arrays
 combinators combinators.short-circuit parser prettyprint.custom
 persistent.sequences ;
+FROM: sequences => change-nth ;
 IN: persistent.vectors
 
 <PRIVATE

basis/random/sfmt/sfmt.factor

@@ -4,6 +4,7 @@ USING: accessors alien.c-types alien.data kernel locals math
 math.ranges math.bitwise math.vectors math.vectors.simd random
 sequences specialized-arrays sequences.private classes.struct
 combinators.short-circuit fry ;
+FROM: sequences => change-nth ;
 SPECIALIZED-ARRAY: uint
 SPECIALIZED-ARRAY: uint-4
 IN: random.sfmt

basis/sequences/product/product.factor

@@ -1,5 +1,6 @@
 ! (c)2009 Joe Groff bsd license
 USING: accessors arrays assocs kernel locals math sequences ;
+FROM: sequences => change-nth ;
 IN: sequences.product
 
 TUPLE: product-sequence { sequences array read-only } { lengths array read-only } ;

basis/threads/threads.factor

@@ -5,6 +5,7 @@ USING: alien.private arrays hashtables heaps kernel kernel.private
 math namespaces sequences vectors continuations continuations.private
 dlists assocs system combinators init boxes accessors math.order
 deques strings quotations fry ;
+FROM: assocs => change-at ;
 IN: threads
 
 <PRIVATE

basis/tools/deploy/shaker/shaker.factor

@@ -22,7 +22,9 @@ QUALIFIED: source-files
 QUALIFIED: source-files.errors
 QUALIFIED: vocabs
 QUALIFIED: vocabs.loader
+FROM: assocs => change-at ;
 FROM: namespaces => set ;
+FROM: sequences => change-nth ;
 FROM: sets => members ;
 IN: tools.deploy.shaker
 

basis/ui/backend/windows/windows.factor

@@ -14,7 +14,7 @@ accessors math.rectangles math.order calendar ascii sets
 io.encodings.utf16n windows.errors literals ui.pixel-formats
 ui.pixel-formats.private memoize classes colors
 specialized-arrays classes.struct ;
-FROM: namespaces => set ;
+FROM: namespaces => change-global set ;
 SPECIALIZED-ARRAY: POINT
 QUALIFIED-WITH: alien.c-types c
 IN: ui.backend.windows

basis/ui/gadgets/tables/tables.factor

@@ -8,6 +8,7 @@ ui.gestures ui.render ui.pens.solid ui.text ui.commands ui.images
 ui.gadgets.menus ui.gadgets.line-support models combinators
 combinators.short-circuit fonts locals splitting strings sets
 sorting ;
+FROM: sequences => change-nth ;
 IN: ui.gadgets.tables
 
 ! Row rendererer protocol

basis/ui/ui.factor

@@ -7,6 +7,7 @@ destructors dlists fry init kernel lexer make math namespaces
 parser sequences sets strings threads ui.backend ui.gadgets
 ui.gadgets.private ui.gadgets.worlds ui.gestures vocabs.parser
 words ;
+FROM: namespaces => change-global ;
 IN: ui
 
 <PRIVATE

basis/unicode/breaks/breaks.factor

@@ -7,6 +7,7 @@ unicode.normalize.private values io.encodings.ascii
 unicode.data compiler.units fry unicode.categories.syntax
 alien.syntax sets accessors interval-maps memoize locals words
 simple-flat-file ;
+FROM: sequences => change-nth ;
 IN: unicode.breaks
 
 <PRIVATE

core/generic/single/single.factor

@@ -5,6 +5,7 @@ combinators definitions generic hashtables kernel
 kernel.private layouts math namespaces quotations
 sequences words generic.single.private effects make
 combinators.private ;
+FROM: assocs => change-at ;
 IN: generic.single
 
 ERROR: no-method object generic ;

core/slots/slots.factor

@@ -229,3 +229,11 @@ M: slot-spec make-slot
 
 : slot-named ( name specs -- spec/f )
     slot-named* nip ;
+
+! Predefine some slots, because there are change-* words in other vocabs
+! that nondeterministically cause ambiguities when USEd alongside
+! accessors
+
+SLOT: at
+SLOT: nth
+SLOT: global

core/words/words.factor

@@ -4,6 +4,7 @@ USING: accessors arrays definitions kernel kernel.private
 slots.private math namespaces sequences strings vectors sbufs
 quotations assocs hashtables sorting vocabs math.order sets
 words.private ;
+FROM: assocs => change-at ;
 IN: words
 
 : word ( -- word ) \ word get-global ;

extra/benchmark/hashtables/hashtables.factor

@@ -3,6 +3,7 @@
 USING: accessors assocs combinators kernel locals math
 math.ranges memoize sequences strings hashtables
 math.parser grouping ;
+FROM: assocs => change-at ;
 IN: benchmark.hashtables
 
 MEMO: strings ( -- str )
@@ -72,4 +73,4 @@ M: collision hashcode* value>> hashcode* 15 bitand ;
     ] times
     drop ;
 
-MAIN: hashtable-benchmark
+MAIN: hashtable-benchmark

extra/bloom-filters/bloom-filters.factor

@@ -6,6 +6,7 @@ IN: bloom-filters
 
 FROM: math.ranges => [1,b] ;
 FROM: math.intervals => (a,b) interval-contains? ;
+FROM: sequences => change-nth ;
 
 /*
 

extra/boyer-moore/boyer-moore.factor

@@ -2,6 +2,7 @@
 ! See http://factorcode.org/license.txt for BSD license.
 USING: accessors arrays assocs kernel locals math math.order
 math.ranges sequences sequences.private z-algorithm ;
+FROM: sequences.private => change-nth-unsafe ;
 IN: boyer-moore
 
 <PRIVATE

extra/bunny/model/model.factor

@@ -3,6 +3,7 @@ http.client io io.encodings.ascii io.files io.files.temp kernel
 locals math math.matrices math.parser math.vectors opengl
 opengl.capabilities opengl.gl opengl.demo-support sequences
 splitting vectors words specialized-arrays ;
+FROM: sequences => change-nth ;
 QUALIFIED-WITH: alien.c-types c
 SPECIALIZED-ARRAY: c:float
 SPECIALIZED-ARRAY: c:uint

extra/compiler/graphviz/graphviz.factor

@@ -7,6 +7,7 @@ compiler.cfg.utilities compiler.tree.recursive images.viewer
 images.png io io.encodings.ascii io.files io.files.unique io.launcher
 kernel math.parser sequences assocs arrays make math namespaces
 quotations combinators locals words ;
+FROM: assocs => change-at ;
 IN: compiler.graphviz
 
 : quotes ( str -- str' ) "\"" "\"" surround ;
@@ -138,4 +139,4 @@ SYMBOL: vertex-names
     dup quotation? [ build-tree ] when
     analyze-recursive drop
     [ [ call-graph get call-graph-edges ] "Call graph" graph, ]
-    render-graph ;
+    render-graph ;

extra/game/worlds/worlds.factor

@@ -3,6 +3,7 @@ USING: accessors audio.engine combinators concurrency.promises
 destructors fry game.input game.loop generic kernel math parser
 sequences threads ui ui.gadgets ui.gadgets.worlds ui.gestures
 words words.constant ;
+FROM: namespaces => change-global ;
 IN: game.worlds
 
 TUPLE: game-world < world

extra/math/splines/splines.factor

@@ -4,6 +4,7 @@ USING: accessors combinators kernel locals math math.combinatorics
 math.polynomials opengl.gl sequences ui.gadgets ui.gadgets.panes
 ui.render arrays grouping math.vectors assocs
 ui.gestures ;
+FROM: sequences => change-nth ;
 IN: math.splines
 
 <PRIVATE

extra/poker/poker.factor

@@ -5,6 +5,7 @@ USING: accessors arrays ascii assocs binary-search combinators
 fry kernel locals math math.bitwise math.combinatorics
 math.order math.statistics poker.arrays random sequences
 sequences.product splitting grouping lexer strings ;
+FROM: sequences => change-nth ;
 IN: poker
 
 ! The algorithm used is based on Cactus Kev's Poker Hand Evaluator with

extra/project-euler/common/common.factor

@@ -6,6 +6,7 @@ USING: accessors arrays byte-arrays fry hints kernel lists make math
     math.primes.lists math.primes.miller-rabin math.ranges math.ratios
     namespaces parser prettyprint quotations sequences sorting strings
     unicode.case vocabs vocabs.parser words ;
+FROM: sequences => change-nth ;
 IN: project-euler.common
 
 ! A collection of words used by more than one Project Euler solution

extra/twitter/twitter.factor

@@ -3,6 +3,7 @@
 USING: accessors assocs combinators hashtables http
 http.client json.reader kernel macros namespaces sequences
 io.sockets.secure fry oauth urls ;
+FROM: assocs => change-at ;
 IN: twitter
 
 ! Configuration

extra/wordtimer/wordtimer.factor

@@ -1,6 +1,7 @@
 USING: kernel sequences namespaces make math assocs words arrays
 tools.annotations vocabs sorting prettyprint io system
 math.statistics accessors tools.time fry ;
+FROM: namespaces => change-global ;
 IN: wordtimer
 
 SYMBOL: *wordtimes*