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Cannot locate the impl of the trait from nested type parameter. #24972
Description
When I used bound::typeparam as type, thread rustc panicked.
use rustc_serialize::{Encodable, Decodable};
use std::fmt::Display;
pub trait Entity : Decodable + Encodable + Sized {
type Key: Clone + Decodable + Encodable + ToString + Display + Eq + Ord + Sized;
fn id(&self) -> Self::Key;
fn find_by_id(id: Self::Key) -> Option<Self>;
}
pub struct DbRef<E: Entity> {
pub id: E::Key,
}
impl<E> DbRef<E>
where E: Entity {
fn get(self) -> Option<E> {
E::find_by_id(self.id)
}
} Source code: https://github.com/ceram1/appcore/blob/master/src/db/mod.rs
Build log: https://travis-ci.org/ceram1/appcore/builds/60641835
Activity
arielb1 commentedon Oct 23, 2015
No ICE in 1.5.
Auto merge of #29312 - apasel422:issue-21410, r=alexcrichton