rust/src/test/compile-fail/unused-imports-warn.rs
2013-02-05 12:41:19 -05:00

47 lines
1.4 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.
// compile-flags: -D unused-imports
use cal = bar::c::cc;
use core::either::Right; //~ ERROR unused import
use core::util::*; // shouldn't get errors for not using
// everything imported
// Should only get one error instead of two errors here
use core::option::{Some, None}; //~ ERROR unused import
use core::io::ReaderUtil; //~ ERROR unused import
// Be sure that if we just bring some methods into scope that they're also
// counted as being used.
use core::io::WriterUtil;
mod foo {
pub struct Point{x: int, y: int}
pub struct Square{p: Point, h: uint, w: uint}
}
mod bar {
pub mod c {
use foo::Point;
use foo::Square; //~ ERROR unused import
pub fn cc(p: Point) -> int { return 2 * (p.x + p.y); }
}
}
fn main() {
cal(foo::Point{x:3, y:9});
let a = 3;
ignore(a);
io::stdout().write_str(~"a");
}