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test: scoped parsers

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Leonardo de Moura 2020-12-04 16:16:24 -08:00
parent c2cfbf2cdd
commit 54723409c3
1 changed files with 19 additions and 0 deletions
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tests/lean/run/scopedParsers.lean Normal file
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def f (x y : Nat) := x + 2*y
namespace Foo
scoped infix:65 [1] "+" => f
theorem ex1 (x y : Nat) : x + y = f x y := rfl
#check 1 + 2
end Foo
#check 1 + 2
theorem ex2 (x y : Nat) : x + y = HAdd.hAdd x y := rfl
open Foo
theorem ex3 (x y : Nat) : x + y = f x y := rfl
#check 1 + 2