rust/src/test/ui/parser/issues/issue-87086-colon-path-sep.rs

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// Tests that a suggestion is issued if the user wrote a colon instead of
// a path separator in a match arm.
enum Foo {
Bar,
Baz,
}
fn f() -> Foo { Foo::Bar }
fn g1() {
match f() {
Foo:Bar => {}
//~^ ERROR: expected one of
//~| HELP: maybe write a path separator here
_ => {}
}
match f() {
Foo::Bar:Baz => {}
//~^ ERROR: expected one of
//~| HELP: maybe write a path separator here
_ => {}
}
match f() {
Foo:Bar::Baz => {}
//~^ ERROR: expected one of
//~| HELP: maybe write a path separator here
_ => {}
}
match f() {
Foo: Bar::Baz if true => {}
//~^ ERROR: expected one of
//~| HELP: maybe write a path separator here
_ => {}
}
if let Bar:Baz = f() {
//~^ ERROR: expected one of
//~| HELP: maybe write a path separator here
}
}
fn g1_neg() {
match f() {
ref Foo: Bar::Baz => {}
//~^ ERROR: expected one of
_ => {}
}
}
fn g2_neg() {
match f() {
mut Foo: Bar::Baz => {}
//~^ ERROR: expected one of
_ => {}
}
}
fn main() {
let myfoo = Foo::Bar;
match myfoo {
Foo::Bar => {}
Foo:Bar::Baz => {}
//~^ ERROR: expected one of
//~| HELP: maybe write a path separator here
}
}