43 lines
1.3 KiB
Rust
43 lines
1.3 KiB
Rust
// Copyright 2014 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.
|
|
|
|
// Tests to make sure that parens are needed for method calls without arguments.
|
|
// outputs text to make sure either an anonymous function is provided or
|
|
// open-close '()' parens are given
|
|
|
|
|
|
struct Point {
|
|
x: isize,
|
|
y: isize
|
|
}
|
|
impl Point {
|
|
fn new() -> Point {
|
|
Point{x:0, y:0}
|
|
}
|
|
fn get_x(&self) -> isize {
|
|
self.x
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let point: Point = Point::new();
|
|
let px: isize = point
|
|
.get_x;//~ ERROR attempted to take value of method `get_x` on type `Point`
|
|
//~^ HELP maybe a `()` to call it is missing
|
|
|
|
// Ensure the span is useful
|
|
let ys = &[1,2,3,4,5,6,7];
|
|
let a = ys.iter()
|
|
.map(|x| x)
|
|
.filter(|&&x| x == 1)
|
|
.filter_map; //~ ERROR attempted to take value of method `filter_map` on type
|
|
//~^ HELP maybe a `()` to call it is missing
|
|
}
|