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Squash merge of 76 commits from loops/minikanren. Adds lib/minikanren/ — a complete miniKanren-on-SX implementation built on top of lib/guest/match.sx, validating the lib-guest unify-and-match kit as intended. Modules (20 .sx files, ~1700 LOC): unify, stream, goals, fresh, conde, condu, conda, run, relations, peano, intarith, project, nafc, matche, fd, queens, defrel, clpfd, tabling Phases 1–5 fully done (core miniKanren API, all classic relations, matche, conda, project, nafc). Phase 6 — native CLP(FD): domain primitives, fd-in / fd-eq / fd-neq / fd-lt / fd-lte / fd-plus / fd-times / fd-distinct / fd-label, with constraint reactivation iterating to fixed point. N-queens via FD: 4-queens 2 solutions, 5-queens 10 solutions (vs naive timeout past N=4). Phase 7 — naive ground-arg tabling: table-1 / table-2 / table-3. Fibonacci canary: tab-fib(25) = 75025 in seconds, naive fib(25) times out at 60s. Ackermann via table-3: A(3,3) = 61. 71 test files, 644+ tests passing across the suite. Producer/consumer SLG (cyclic patho, mutual recursion) deferred — research-grade work. The lib-guest validation experiment is conclusive: lib/minikanren/ unify.sx adds ~50 lines of local logic (custom cfg, deep walk*, fresh counter) over lib/guest/match.sx's ~100-line kit. The kit earns its keep ~3× by line count.
33 lines
704 B
Plaintext
33 lines
704 B
Plaintext
;; lib/minikanren/tests/swap-firsto.sx — swap first two elements.
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(mk-test
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"swap-firsto-pair"
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(run* q (swap-firsto (list 1 2) q))
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(list (list 2 1)))
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(mk-test
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"swap-firsto-with-tail"
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(run* q (swap-firsto (list 1 2 3 4) q))
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(list (list 2 1 3 4)))
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(mk-test
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"swap-firsto-singleton-fails"
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(run* q (swap-firsto (list 1) q))
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(list))
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(mk-test "swap-firsto-empty-fails" (run* q (swap-firsto (list) q)) (list))
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(mk-test
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"swap-firsto-self-inverse"
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(run*
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q
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(fresh (mid) (swap-firsto (list :a :b :c :d) mid) (swap-firsto mid q)))
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(list (list :a :b :c :d)))
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(mk-test
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"swap-firsto-backward"
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(run* q (swap-firsto q (list :y :x :z)))
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(list (list :x :y :z)))
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(mk-tests-run!)
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