rust/src/test/run-pass/newlambdas.rs
2012-07-04 17:21:29 -07:00

20 lines
375 B
Rust

// Tests for the new |args| expr lambda syntax
fn f(i: int, f: fn(int) -> int) -> int { f(i) }
fn g(g: fn()) { }
fn ff() -> fn@(int) -> int {
ret |x| x + 1;
}
fn main() {
assert f(10, |a| a) == 10;
g(||());
assert do f(10) |a| { a } == 10;
do g() { }
let _x: fn@() -> int = || 10;
let _y: fn@(int) -> int = |a| a;
assert ff()(10) == 11;
}