rust/tests/ui/suggestions/fn-or-tuple-struct-without-args.rs
2023-01-11 09:32:08 +00:00

48 lines
1.4 KiB
Rust

fn foo(a: usize, b: usize) -> usize { a }
fn bar() -> usize { 42 }
struct S(usize, usize);
enum E {
A(usize),
B { a: usize },
}
struct V();
trait T {
fn baz(x: usize, y: usize) -> usize { x }
fn bat(x: usize) -> usize { 42 }
fn bax(x: usize) -> usize { 42 }
fn bach(x: usize) -> usize;
fn ban(&self) -> usize { 42 }
fn bal(&self) -> usize;
}
struct X;
impl T for X {
fn bach(x: usize) -> usize { 42 }
fn bal(&self) -> usize { 42 }
}
fn main() {
let _: usize = foo; //~ ERROR mismatched types
let _: S = S; //~ ERROR mismatched types
let _: usize = bar; //~ ERROR mismatched types
let _: V = V; //~ ERROR mismatched types
let _: usize = T::baz; //~ ERROR mismatched types
let _: usize = T::bat; //~ ERROR mismatched types
let _: E = E::A; //~ ERROR mismatched types
let _: E = E::B; //~ ERROR expected value, found struct variant `E::B`
let _: usize = X::baz; //~ ERROR mismatched types
let _: usize = X::bat; //~ ERROR mismatched types
let _: usize = X::bax; //~ ERROR mismatched types
let _: usize = X::bach; //~ ERROR mismatched types
let _: usize = X::ban; //~ ERROR mismatched types
let _: usize = X::bal; //~ ERROR mismatched types
let _: usize = X.ban; //~ ERROR attempted to take value of method
let _: usize = X.bal; //~ ERROR attempted to take value of method
let closure = || 42;
let _: usize = closure; //~ ERROR mismatched types
}