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copy attribute list in get_atts

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This commit is contained in:
Mark Thom
2019-02-03 16:10:12 -07:00
parent 3cfbbb23a3
commit 8a3a79de3c
3 changed files with 24 additions and 20 deletions
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24
src/tests.rs
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@@ -2147,33 +2147,33 @@ fn test_queries_on_attributed_variables()
assert_prolog_success!(&mut wam, "?- ( put_atts(V, my_mod, dif(1)) ; put_atts(V, my_mod, dif(2)) ),
get_atts(V, my_mod, L).",
[["L = [dif(1) | _16]", "V = _12"],
["L = [dif(2) | _16]", "V = _12"]]);
[["L = [dif(1)]", "V = _12"],
["L = [dif(2)]", "V = _12"]]);
assert_prolog_success!(&mut wam, "?- put_atts(V, my_mod, frozen(a)),
( put_atts(V, my_mod, dif(1))
; put_atts(V, my_mod, -frozen(a)), put_atts(V, my_mod, dif(2))
; put_atts(V, my_mod, dif(different)) ),
get_atts(V, my_mod, Ls).",
[["Ls = [frozen(a), dif(1) | _36]", "V = _12"],
["Ls = [dif(2) | _50]", "V = _12"],
["Ls = [frozen(a), dif(different) | _36]", "V = _12"]]);
[["Ls = [frozen(a), dif(1)]", "V = _12"],
["Ls = [dif(2)]", "V = _12"],
["Ls = [frozen(a), dif(different)]", "V = _12"]]);
assert_prolog_success!(&mut wam, "?- put_atts(V, my_mod, [dif(1), dif(2), frozen(a)]),
( put_atts(V, my_mod, -dif(2)); put_atts(V, my_mod, -frozen(A)) ),
get_atts(V, my_mod, L).",
[["A = _69", "L = [dif(1), frozen(a) | _67]", "V = _27"],
["A = _69", "L = [dif(1), dif(2) | _67]", "V = _27"]]);
[["A = _69", "L = [dif(1), frozen(a)]", "V = _27"],
["A = _69", "L = [dif(1), dif(2)]", "V = _27"]]);
assert_prolog_success!(&mut wam, "?- put_atts(V, my_mod, [dif(1), dif(2), frozen(a)]),
( put_atts(V, my_mod, -dif(2)), V = f(a)
; put_atts(V, my_mod, -frozen(_)), get_atts(V, my_mod, L) ).",
[["L = _69", "V = f(a)"],
["L = [dif(1), dif(2) | _67]", "V = _27"]]);
["L = [dif(1), dif(2)]", "V = _27"]]);
assert_prolog_success!(&mut wam, "?- put_atts(V, my_mod, [dif(1), dif(2), frozen(a), frozen(b)]),
( put_atts(V, my_mod, -dif(2)) ; put_atts(V, my_mod, -frozen(A)) ),
get_atts(V, my_mod, L).",
[["A = _97", "L = [dif(1), frozen(a), frozen(b) | _95]", "V = _31"],
["A = _97", "L = [dif(1), dif(2) | _95]", "V = _31"]]);
[["A = _97", "L = [dif(1), frozen(a), frozen(b)]", "V = _31"],
["A = _97", "L = [dif(1), dif(2)]", "V = _31"]]);
assert_prolog_failure!(&mut wam, "?- put_atts(V, my_mod, [dif(1), dif(2), frozen(a), frozen(b)]),
get_atts(V, my_mod, -dif(1)).");
assert_prolog_success!(&mut wam, "?- put_atts(V, my_mod, [dif(1), dif(2), frozen(a), frozen(b)]),
@@ -2184,8 +2184,8 @@ fn test_queries_on_attributed_variables()
["X = 2", "V = _31"]]);
assert_prolog_success!(&mut wam, "?- put_atts(V, my_mod, [dif(1), dif(2), frozen(a), frozen(b)]),
put_atts(V, my_mod, -dif(A)), get_atts(V, my_mod, Ls).",
[["A = _98", "Ls = [frozen(a), frozen(b) | _95]", "V = _31"]]);
[["A = _98", "Ls = [frozen(a), frozen(b)]", "V = _31"]]);
assert_prolog_success!(&mut wam, "?- put_atts(V, my_mod, [dif(1), frozen(a), dif(2), frozen(b)]),
put_atts(V, my_mod, -dif(A)), get_atts(V, my_mod, Ls).",
[["A = _98", "Ls = [frozen(a), frozen(b) | _95]", "V = _31"]]);
[["A = _98", "Ls = [frozen(a), frozen(b)]", "V = _31"]]);
}