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| -rw-r--r-- | doc/rust.md | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/rust.md b/doc/rust.md index 3a3c371accd..210e07d198a 100644 --- a/doc/rust.md +++ b/doc/rust.md @@ -876,6 +876,13 @@ fn add(x: int, y: int) -> int { } ~~~~ +As with `let` bindings, function arguments are irrefutable patterns, +so any pattern that is valid in a let binding is also valid as an argument. + +~~~ +fn first((value, _): (int, int)) -> int { value } +~~~ + #### Generic functions |