24 lines
703 B
Lua
24 lines
703 B
Lua
function tst_match(p, t)
|
|
local r = match(p, t)
|
|
assert(r)
|
|
print("--------------")
|
|
for i = 1, #r do
|
|
print(" #" .. i .. " := " .. tostring(r[i]))
|
|
end
|
|
end
|
|
|
|
local env = environment()
|
|
local N = Const("N")
|
|
local f = Const("f")
|
|
local a = Const("a")
|
|
local b = Const("b")
|
|
local x = Local("x", N)
|
|
local y = Local("y", N)
|
|
tst_match(f(Var(0), Var(0)), f(a, a))
|
|
tst_match(f(Var(0), Var(1)), f(a, b))
|
|
tst_match(Var(0)(x, y), f(x, f(x, y)))
|
|
assert(not match(Var(0)(x, x), f(x, f(x, y))))
|
|
assert(not match(Var(0)(x), f(x, y)))
|
|
tst_match(Pi(x, y, Var(2)(x)), Pi(x, y, f(f(x))))
|
|
tst_match(Fun(x, y, Var(2)(x)), Fun(x, y, f(f(x))))
|
|
assert(not match(Pi(x, Var(2)(x)), Pi(x, y, f(f(x)))))
|