rust/tests/ui/rfc-2632-const-trait-impl/impl-with-default-fn-pass.rs

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// check-pass
#![feature(const_trait_impl)]
#[const_trait]
trait Tr {
fn req(&self);
fn default() {}
}
impl const Tr for u8 {
fn req(&self) {}
}
macro_rules! impl_tr {
($ty: ty) => {
impl const Tr for $ty {
fn req(&self) {}
}
}
}
impl_tr!(u64);
fn main() {}