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use get_trait_def_id to check for Ord trait

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This commit is contained in:
Ryan1729 2020-07-26 23:04:04 -06:00
parent 068acbd27b
commit a8d6eda930
1 changed files with 3 additions and 2 deletions
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5
clippy_lints/src/derive.rs
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@ -1,6 +1,6 @@
use crate::utils::paths;
use crate::utils::{
is_automatically_derived, is_copy, match_path, span_lint_and_help, span_lint_and_note, span_lint_and_then,
get_trait_def_id, is_automatically_derived, is_copy, match_path, span_lint_and_help, span_lint_and_note, span_lint_and_then,
};
use if_chain::if_chain;
use rustc_hir::def_id::DefId;
@ -211,9 +211,10 @@ fn check_ord_pord<'tcx>(
ord_is_automatically_derived: bool,
) {
if_chain! {
if match_path(&trait_ref.path, &paths::ORD);
if let Some(ord_trait_def_id) = get_trait_def_id(cx, &paths::ORD);
if let Some(pord_trait_def_id) = cx.tcx.lang_items().partial_ord_trait();
if let Some(def_id) = &trait_ref.trait_def_id();
if *def_id == ord_trait_def_id;
if !def_id.is_local();
then {
// Look for the PartialOrd implementations for `ty`