lean4-htt/tests/lean/run/macro2.lean
2020-01-15 20:53:23 -08:00

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Text

new_frontend
syntax term "+++":60 term:59 : term
syntax "<|" term "|>" : term
macro
| `($a +++ $b) => `($a + $b + $b)
macro
| `(<| $x |>) => `($x +++ 1)
#check <| 2 |>
#check <| <| 3 |> |>