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a couple clippy::complexity fixes

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map_identity
filter_next
option_as_ref_deref
unnecessary_find_map
redundant_slicing
unnecessary_unwrap
bool_comparison
derivable_impls
manual_flatten
needless_borrowed_reference
This commit is contained in:
Matthias Krüger 2023-04-01 23:16:33 +02:00
parent 0196c2bd27
commit 8ef3bf29fe
10 changed files with 20 additions and 33 deletions
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5
compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
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@ -3888,8 +3888,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
if let Some(slice_ty) = candidate_impls
.iter()
.map(|trait_ref| trait_ref.trait_ref.self_ty())
.filter(|t| is_slice(*t))
.next()
.find(|t| is_slice(*t))
{
let msg = &format!("convert the array to a `{}` slice instead", slice_ty);
@ -3936,7 +3935,7 @@ fn hint_missing_borrow<'tcx>(
// This could be a variant constructor, for example.
let Some(fn_decl) = found_node.fn_decl() else { return; };
let args = fn_decl.inputs.iter().map(|ty| ty);
let args = fn_decl.inputs.iter();
fn get_deref_type_and_refs(mut ty: Ty<'_>) -> (Ty<'_>, Vec<hir::Mutability>) {
let mut refs = vec![];