18 lines
697 B
Lua
18 lines
697 B
Lua
local env = empty_environment()
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local t1 = mk_lambda("A", Type, mk_lambda("a", Var(0), Var(0)), binder_info(true))
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local t2 = mk_lambda("A", Type, mk_lambda("a", Var(0), Var(0)))
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print(t1)
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print(t2)
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local tc = type_checker(env)
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local T1 = mk_pi("A", Type, mk_arrow(Var(0), Var(1)), binder_info(true))
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local T2 = mk_pi("A", Type, mk_arrow(Var(0), Var(1)))
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print(T1)
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print(T2)
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assert(T1 == T2) -- The default equality ignores binder information
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assert(not (T1:is_bi_equal(T2)))
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print(tc:check(t1))
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print(tc:check(t2))
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assert(tc:check(t1):binder_info():is_implicit())
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assert(not tc:check(t2):binder_info():is_implicit())
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assert(tc:check(t1):is_bi_equal(T1))
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assert(tc:check(t2):is_bi_equal(T2))
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