23 lines
623 B
Lua
23 lines
623 B
Lua
local env = environment()
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local N = Const("N")
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env = add_decl(env, mk_var_decl("N", Type))
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env = add_decl(env, mk_var_decl("f", mk_arrow(N, N)))
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env = add_decl(env, mk_var_decl("a", N))
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local f = Const("f")
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local a = Const("a")
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local m1 = mk_metavar("m1", mk_metavar("m2", mk_sort(mk_meta_univ("l"))))
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local ngen = name_generator("tst")
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local tc = type_checker(env, ngen)
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function test_check(e)
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t, cs = tc:check(e)
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print(tostring(e) .. " : " .. tostring(t))
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cs = cs:linearize()
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for i = 1, #cs do
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print(" >> " .. tostring(cs[i]))
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end
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end
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test_check(f(m1))
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test_check(f(f(m1)))
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test_check(f(m1))
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