bjoernager/rust
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Use extension trait derive

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This commit is contained in:
Michael Goulet 2024-02-13 23:49:39 +00:00
parent 3250e95305
commit 9c25823bb4
29 changed files with 121 additions and 974 deletions
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7
compiler/rustc_trait_selection/src/traits/engine.rs
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@ -27,11 +27,8 @@ use rustc_middle::ty::TypeFoldable;
use rustc_middle::ty::Variance;
use rustc_middle::ty::{self, Ty, TyCtxt};
pub trait TraitEngineExt<'tcx> {
fn new(infcx: &InferCtxt<'tcx>) -> Box<Self>;
}
impl<'tcx> TraitEngineExt<'tcx> for dyn TraitEngine<'tcx> {
#[extension]
pub impl<'tcx> TraitEngineExt<'tcx> for dyn TraitEngine<'tcx> {
fn new(infcx: &InferCtxt<'tcx>) -> Box<Self> {
if infcx.next_trait_solver() {
Box::new(NextFulfillmentCtxt::new(infcx))