35 lines
987 B
Lua
35 lines
987 B
Lua
local a = Const("a")
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local f = Const("f")
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local m = mk_metavar("m", Bool)
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local j = justification("type match")
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local c = mk_eq_cnstr(f(a), m, j)
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assert(c:is_eq())
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assert(c:is_eqc())
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assert(not c:is_choice())
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assert(not c:is_level())
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assert(c:lhs() == f(a))
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assert(c:rhs() == m)
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assert(c:justification():is_eqp(j))
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print(c)
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local c2 = mk_conv_cnstr(f(m), f(a), j)
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print(c2)
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assert(not c2:is_eq())
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assert(c2:is_conv())
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assert(c2:is_eqc())
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assert(c2:lhs() == f(m))
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local c3 = mk_level_cnstr(mk_level_zero(), mk_level_one(), j)
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assert(c3:is_level())
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print(c3)
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assert(c ~= c2)
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assert(c == mk_eq_cnstr(f(a), m, j))
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assert(c:is_eqp(c))
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assert(not c:is_eqp(mk_eq_cnstr(f(a), m, j)))
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assert(c:hash() == mk_eq_cnstr(f(a), m, j):hash())
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local c4 = mk_choice_cnstr(m, {a, f(a), f(f(a))}, j)
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print(c4)
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assert(c4:is_choice())
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assert(c4:choice_expr() == m)
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print(c4:choice_set():head())
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assert(c4:choice_set():head() == a)
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assert(c4:choice_set():tail():head() == f(a))
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assert(#(c4:choice_set()) == 3)
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