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// The purpose of this text is to ensure that we get good
// diagnostics when a `bool` is expected but that due to
// an assignment expression `x = y` the type is `()`.
fn main() {
let _: bool = 0 = 0; //~ ERROR mismatched types [E0308]
let _: bool = match 0 {
0 => 0 = 0, //~ ERROR mismatched types [E0308]
_ => 0 = 0, //~ ERROR mismatched types [E0308]
};
let _: bool = match true {
true => 0 = 0, //~ ERROR mismatched types [E0308]
_ => (),
};
if 0 = 0 {} //~ ERROR mismatched types [E0308]
let _: bool = if { 0 = 0 } { //~ ERROR mismatched types [E0308]
0 = 0 //~ ERROR mismatched types [E0308]
} else {
0 = 0 //~ ERROR mismatched types [E0308]
};
let _ = (0 = 0) //~ ERROR mismatched types [E0308]
&& { 0 = 0 } //~ ERROR mismatched types [E0308]
|| (0 = 0); //~ ERROR mismatched types [E0308]
// A test to check that not expecting `bool` behaves well:
let _: usize = 0 = 0;
//~^ ERROR mismatched types [E0308]
//~| ERROR invalid left-hand side of assignment [E0070]
let foo = &String::new();
let bar = "";
if foo = bar {}
//~^ ERROR mismatched types [E0308]
}
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