rust/src/test/run-pass/expr-fn.rs

69 lines
1.3 KiB
Rust

// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
fn test_int() {
fn f() -> int { 10 }
assert (f() == 10);
}
fn test_vec() {
fn f() -> ~[int] { ~[10, 11] }
assert (f()[1] == 11);
}
fn test_generic() {
fn f<T: Copy>(t: T) -> T { t }
assert (f(10) == 10);
}
fn test_alt() {
fn f() -> int { match true { false => { 10 } true => { 20 } } }
assert (f() == 20);
}
fn test_if() {
fn f() -> int { if true { 10 } else { 20 } }
assert (f() == 10);
}
fn test_block() {
fn f() -> int { { 10 } }
assert (f() == 10);
}
fn test_ret() {
fn f() -> int {
return 10 // no semi
}
assert (f() == 10);
}
// From issue #372
fn test_372() {
fn f() -> int { let x = { 3 }; x }
assert (f() == 3);
}
fn test_nil() { () }
pub fn main() {
test_int();
test_vec();
test_generic();
test_alt();
test_if();
test_block();
test_ret();
test_372();
test_nil();
}