21 lines
290 B
Text
21 lines
290 B
Text
new_frontend
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notation a `**`:50 b:50 => b * a * b
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notation "~" a => a+a
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syntax term "+++":60 term:59 : term
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syntax "<|" term "|>" : term
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macro_rules
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| `($a +++ $b) => `($a + $b + $b)
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macro_rules
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| `(<| $x |>) => `($x +++ 1 ** 2)
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#check <| 2 |>
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#check <| ~2 |>
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#check <| <| 3 |> |>
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