lean2/tests/lean/lua12.lean

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import Int.
variables x y z : Int
(*
import("util.lua")
local env = get_environment()
local plus = Const{"Int", "add"}
local x, y = Consts("x y")
local def = plus(plus(x, y), iVal(1000))
print(def, ":", env:type_check(def))
env:add_definition("sum", def)
*)
eval sum + 3