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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.
127 lines
2.3 KiB
Plaintext
127 lines
2.3 KiB
Plaintext
;; lib/minikanren/tests/list-relations.sx — rembero, assoco, nth-o, samelengtho.
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;; --- rembero (remove first occurrence) ---
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(mk-test
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"rembero-element-present"
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(run*
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q
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(rembero 2 (list 1 2 3 2) q))
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(list (list 1 3 2)))
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(mk-test
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"rembero-element-not-present"
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(run* q (rembero 99 (list 1 2 3) q))
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(list (list 1 2 3)))
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(mk-test
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"rembero-empty"
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(run* q (rembero 1 (list) q))
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(list (list)))
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(mk-test
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"rembero-only-element"
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(run* q (rembero 5 (list 5) q))
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(list (list)))
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(mk-test
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"rembero-first-of-many"
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(run*
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q
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(rembero 1 (list 1 2 3 4) q))
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(list (list 2 3 4)))
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;; --- assoco (alist lookup) ---
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(define
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test-pairs
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(list
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(list "alice" 30)
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(list "bob" 25)
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(list "carol" 35)))
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(mk-test
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"assoco-found"
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(run* q (assoco "bob" test-pairs q))
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(list 25))
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(mk-test
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"assoco-first"
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(run* q (assoco "alice" test-pairs q))
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(list 30))
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(mk-test "assoco-missing" (run* q (assoco "dave" test-pairs q)) (list))
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(mk-test
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"assoco-find-keys-with-value"
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(run* q (assoco q test-pairs 25))
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(list "bob"))
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;; --- nth-o (Peano-indexed access) ---
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(mk-test
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"nth-o-zero"
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(run* q (nth-o :z (list 10 20 30) q))
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(list 10))
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(mk-test
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"nth-o-one"
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(run* q (nth-o (list :s :z) (list 10 20 30) q))
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(list 20))
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(mk-test
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"nth-o-two"
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(run*
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q
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(nth-o (list :s (list :s :z)) (list 10 20 30) q))
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(list 30))
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(mk-test
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"nth-o-out-of-range"
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(run*
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q
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(nth-o
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(list :s (list :s (list :s :z)))
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(list 10 20 30)
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q))
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(list))
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;; --- samelengtho ---
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(mk-test
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"samelengtho-equal"
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(run*
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q
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(samelengtho (list 1 2 3) (list :a :b :c)))
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(list (make-symbol "_.0")))
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(mk-test
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"samelengtho-different-fails"
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(run* q (samelengtho (list 1 2) (list :a :b :c)))
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(list))
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(mk-test
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"samelengtho-empty-equal"
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(run* q (samelengtho (list) (list)))
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(list (make-symbol "_.0")))
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(mk-test
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"samelengtho-builds-vars"
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(run 1 q (samelengtho (list 1 2 3) q))
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(list (list (make-symbol "_.0") (make-symbol "_.1") (make-symbol "_.2"))))
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(mk-test
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"samelengtho-enumerates-pairs"
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(run
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3
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q
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(fresh (l1 l2) (samelengtho l1 l2) (== q (list l1 l2))))
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(list
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(list (list) (list))
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(list (list (make-symbol "_.0")) (list (make-symbol "_.1")))
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(list
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(list (make-symbol "_.0") (make-symbol "_.1"))
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(list (make-symbol "_.2") (make-symbol "_.3")))))
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(mk-tests-run!)
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