17 lines
354 B
Rust
17 lines
354 B
Rust
#[derive(PartialEq, Eq, PartialOrd, Ord)]
|
|
pub enum Foo {
|
|
A(&'static str),
|
|
_B,
|
|
_C,
|
|
}
|
|
|
|
pub fn main() {
|
|
let mut b = std::collections::BTreeSet::new();
|
|
b.insert(Foo::A("\'"));
|
|
b.insert(Foo::A("/="));
|
|
b.insert(Foo::A("#"));
|
|
b.insert(Foo::A("0o"));
|
|
assert!(b.remove(&Foo::A("/=")));
|
|
assert!(!b.remove(&Foo::A("/=")));
|
|
}
|