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use extend::ext_sized;
#[ext_sized(name = One)]
impl i32 {
fn requires_sized(self) -> Option<Self> {
Some(self)
}
}
#[ext_sized(name = Two, supertraits = Default)]
impl i32 {
fn with_another_supertrait(self) -> Option<Self> {
Some(self)
}
}
#[ext_sized(name = Three, supertraits = Default + Clone + Copy)]
impl i32 {
fn multiple_supertraits(self) -> Option<Self> {
Some(self)
}
}
#[ext_sized(name = Four, supertraits = Sized)]
impl i32 {
fn already_sized(self) -> Option<Self> {
Some(self)
}
}
fn main() {
1.requires_sized();
1.with_another_supertrait();
1.multiple_supertraits();
1.already_sized();
}