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// 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.
// Test that we correctly consider the type of `match` to be the LUB
// of the various arms, particularly in the case where regions are
// involved.
pub fn opt_str0<'a>(maybestr: &'a Option<~str>) -> &'a str {
match *maybestr {
Some(ref s) => {
let s: &'a str = *s;
s
}
None => "(none)",
}
}
pub fn opt_str1<'a>(maybestr: &'a Option<~str>) -> &'a str {
match *maybestr {
None => "(none)",
Some(ref s) => {
let s: &'a str = *s;
s
}
}
}
pub fn opt_str2<'a>(maybestr: &'a Option<~str>) -> &'static str {
match *maybestr { //~ ERROR mismatched types
None => "(none)",
Some(ref s) => {
let s: &'a str = *s;
s
}
}
}
pub fn opt_str3<'a>(maybestr: &'a Option<~str>) -> &'static str {
match *maybestr { //~ ERROR mismatched types
Some(ref s) => {
let s: &'a str = *s;
s
}
None => "(none)",
}
}
fn main() {}
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