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clippy: fold by value

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This commit is contained in:
Bastian Kauschke 2020-10-24 02:21:27 +02:00
parent 27a15721c5
commit 3567ea546f
9 changed files with 15 additions and 15 deletions
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6
clippy_lints/src/utils/mod.rs
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@ -363,7 +363,7 @@ pub fn implements_trait<'tcx>(
if ty.has_infer_types() {
return false;
}
let ty = cx.tcx.erase_regions(&ty);
let ty = cx.tcx.erase_regions(ty);
let ty_params = cx.tcx.mk_substs(ty_params.iter());
cx.tcx.type_implements_trait((trait_id, ty, ty_params, cx.param_env))
}
@ -887,7 +887,7 @@ pub fn is_direct_expn_of(span: Span, name: &str) -> Option<Span> {
pub fn return_ty<'tcx>(cx: &LateContext<'tcx>, fn_item: hir::HirId) -> Ty<'tcx> {
let fn_def_id = cx.tcx.hir().local_def_id(fn_item);
let ret_ty = cx.tcx.fn_sig(fn_def_id).output();
cx.tcx.erase_late_bound_regions(&ret_ty)
cx.tcx.erase_late_bound_regions(ret_ty)
}
/// Walks into `ty` and returns `true` if any inner type is the same as `other_ty`
@ -1220,7 +1220,7 @@ pub fn match_function_call<'tcx>(
pub fn is_normalizable<'tcx>(cx: &LateContext<'tcx>, param_env: ty::ParamEnv<'tcx>, ty: Ty<'tcx>) -> bool {
cx.tcx.infer_ctxt().enter(|infcx| {
let cause = rustc_middle::traits::ObligationCause::dummy();
infcx.at(&cause, param_env).normalize(&ty).is_ok()
infcx.at(&cause, param_env).normalize(ty).is_ok()
})
}