rust/tests/ui/methods/method-call-err-msg.rs

23 lines
760 B
Rust

// Test that parameter cardinality or missing method error gets span exactly.
pub struct Foo;
impl Foo {
fn zero(self) -> Foo { self }
fn one(self, _: isize) -> Foo { self }
fn two(self, _: isize, _: isize) -> Foo { self }
fn three<T>(self, _: T, _: T, _: T) -> Foo { self }
}
fn main() {
let x = Foo;
x.zero(0) //~ ERROR this method takes 0 arguments but 1 argument was supplied
.one() //~ ERROR this method takes 1 argument but 0 arguments were supplied
.two(0); //~ ERROR this method takes 2 arguments but 1 argument was supplied
let y = Foo;
y.zero()
.take() //~ ERROR not an iterator
.one(0);
y.three::<usize>(); //~ ERROR this method takes 3 arguments but 0 arguments were supplied
}