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Use path_to_local_id

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This commit is contained in:
Cameron Steffen 2021-02-08 09:50:13 -06:00
parent 5db48a382a
commit 37555f8f73
1 changed files with 3 additions and 7 deletions
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10
clippy_lints/src/methods/filter_map_identity.rs
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@ -1,4 +1,4 @@
use crate::utils::{match_qpath, match_trait_method, paths, span_lint_and_sugg};
use crate::utils::{match_qpath, match_trait_method, path_to_local_id, paths, span_lint_and_sugg};
use if_chain::if_chain;
use rustc_errors::Applicability;
use rustc_hir as hir;
@ -32,12 +32,8 @@ pub(super) fn check(
if let hir::ExprKind::Closure(_, _, body_id, _, _) = arg_node;
let body = cx.tcx.hir().body(*body_id);
if let hir::PatKind::Binding(_, _, binding_ident, _) = body.params[0].pat.kind;
if let hir::ExprKind::Path(hir::QPath::Resolved(_, ref path)) = body.value.kind;
if path.segments.len() == 1;
if path.segments[0].ident.name == binding_ident.name;
if let hir::PatKind::Binding(_, binding_id, ..) = body.params[0].pat.kind;
if path_to_local_id(&body.value, binding_id);
then {
apply_lint("called `filter_map(|x| x)` on an `Iterator`");
}