bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Clarify the situation with dummy patterns and PatData

Browse source 
Use an explicit `Option` instead of requiring a `Default` bound
This commit is contained in:
Nadrieril 2023-12-22 23:47:44 +01:00
parent f6af7478ba
commit 5fccaee59c
6 changed files with 22 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

4
compiler/rustc_pattern_analysis/src/lints.rs
View file

@ -203,7 +203,7 @@ pub(crate) fn lint_nonexhaustive_missing_variants<'a, 'p, 'tcx>(
};
use rustc_errors::DecorateLint;
let mut err = rcx.tcx.sess.struct_span_warn(*arm.pat.data(), "");
let mut err = rcx.tcx.sess.struct_span_warn(*arm.pat.data().unwrap(), "");
err.set_primary_message(decorator.msg());
decorator.decorate_lint(&mut err);
err.emit();
@ -253,8 +253,8 @@ pub(crate) fn lint_overlapping_range_endpoints<'a, 'p, 'tcx>(
let mut suffixes: SmallVec<[_; 1]> = Default::default();
// Iterate on patterns that contained `overlap`.
for pat in column.iter() {
let this_span = *pat.data();
let Constructor::IntRange(this_range) = pat.ctor() else { continue };
let this_span = *pat.data().unwrap();
if this_range.is_singleton() {
// Don't lint when one of the ranges is a singleton.
continue;