rust/src/test/compile-fail/method-call-err-msg.rs
Edward Wang 899f222386 Calibrate span for method call error messages
Specifically, the method parameter cardinality mismatch or missing
method error message span now gets method itself exactly. It was the
whole expression.

Closes #9390
Closes #13684
Closes #13709
2014-04-24 06:16:46 +08:00

31 lines
1.1 KiB
Rust

// Copyright 2012-2014 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.
// Test that parameter cardinality or missing method error gets span exactly.
pub struct Foo;
impl Foo {
fn zero(self) -> Foo { self }
fn one(self, _: int) -> Foo { self }
fn two(self, _: int, _: int) -> Foo { self }
}
fn main() {
let x = Foo;
x.zero(0) //~ ERROR this function takes 0 parameters but 1 parameter was supplied
.one() //~ ERROR this function takes 1 parameter but 0 parameters were supplied
.two(0); //~ ERROR this function takes 2 parameters but 1 parameter was supplied
let y = Foo;
y.zero()
.take() //~ ERROR type `Foo` does not implement any method in scope named `take`
.one(0);
}