30 lines
845 B
Rust
30 lines
845 B
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Tests for the new |args| expr lambda syntax
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fn f(i: int, f: fn(int) -> int) -> int { f(i) }
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fn g(g: fn()) { }
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fn ff() -> fn@(int) -> int {
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return |x| x + 1;
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}
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fn main() {
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assert f(10, |a| a) == 10;
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g(||());
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assert do f(10) |a| { a } == 10;
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do g() { }
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let _x: fn@() -> int = || 10;
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let _y: fn@(int) -> int = |a| a;
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assert ff()(10) == 11;
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}
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