user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

move the defaut object lifetime bound into the trait

Browse source 
This way, we don't have to repeat it.
This commit is contained in:
Niko Matsakis 2018-03-22 12:21:38 -04:00 • committed by csmoe
parent 012262c4f2
commit bad80fe4ba
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/librustc/traits/engine.rs
View file

@ -15,7 +15,7 @@ use hir::def_id::DefId;
use super::{FulfillmentContext, FulfillmentError};
use super::{ObligationCause, PendingPredicateObligation, PredicateObligation};
pub trait TraitEngine<'tcx> {
pub trait TraitEngine<'tcx>: 'tcx {
fn normalize_projection_type<'a, 'gcx>(
&mut self,
infcx: &InferCtxt<'a, 'gcx, 'tcx>,
@ -52,7 +52,7 @@ pub trait TraitEngine<'tcx> {
fn pending_obligations(&self) -> Vec<PendingPredicateObligation<'tcx>>;
}
impl<'a, 'gcx, 'tcx> TraitEngine<'tcx> + 'tcx {
impl<'a, 'gcx, 'tcx> dyn TraitEngine<'tcx> {
pub fn new(_tcx: TyCtxt<'_, '_, 'tcx>) -> Box<Self> {
Box::new(FulfillmentContext::new())
}