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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.
39 lines
803 B
Plaintext
39 lines
803 B
Plaintext
;; lib/minikanren/tests/lasto.sx — last-element + init-without-last.
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(mk-test
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"lasto-singleton"
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(run* q (lasto (list 5) q))
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(list 5))
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(mk-test
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"lasto-multi"
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(run* q (lasto (list 1 2 3 4) q))
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(list 4))
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(mk-test "lasto-empty" (run* q (lasto (list) q)) (list))
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(mk-test "lasto-strings" (run* q (lasto (list "a" "b" "c") q)) (list "c"))
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(mk-test
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"init-o-multi"
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(run* q (init-o (list 1 2 3 4) q))
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(list (list 1 2 3)))
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(mk-test
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"init-o-singleton"
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(run* q (init-o (list 7) q))
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(list (list)))
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(mk-test "init-o-empty" (run* q (init-o (list) q)) (list))
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(mk-test
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"lasto-init-o-roundtrip"
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(run*
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q
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(fresh
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(init last)
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(lasto (list 1 2 3 4) last)
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(init-o (list 1 2 3 4) init)
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(appendo init (list last) q)))
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(list (list 1 2 3 4)))
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(mk-tests-run!)
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