35 lines
827 B
Text
35 lines
827 B
Text
import data.nat.basic
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open nat
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definition two1 : nat := 2
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definition two2 : nat := succ (succ (zero))
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definition f (x : nat) (y : nat) := y
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constant g : nat → nat → nat
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constants a b : nat
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(*
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local tc = type_checker_with_hints(get_env())
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local plugin = whnf_match_plugin(tc)
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function tst_match(p, t)
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local r1, r2 = match(p, t, plugin)
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assert(r1)
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print("--------------")
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for i = 1, #r1 do
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print(" expr:#" .. i .. " := " .. tostring(r1[i]))
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end
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for i = 1, #r2 do
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print(" lvl:#" .. i .. " := " .. tostring(r2[i]))
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end
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end
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local nat = Const("nat")
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local f = Const("f")
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local g = Const("g")
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local a = Const("a")
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local b = Const("b")
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local x = mk_idx_metavar(0, nat)
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local p = g(x, f(x, a))
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local t = g(a, f(b, a))
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tst_match(p, t)
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tst_match(f(x, x), f(a, b))
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*)
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