bjoernager/rust
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Use if-let guards in the codebase

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This commit is contained in:
Léo Lanteri Thauvin 2021-08-16 17:29:49 +02:00
parent a992a11913
commit fde1b76b4b
27 changed files with 242 additions and 254 deletions
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16
compiler/rustc_errors/src/lib.rs
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@ -5,9 +5,11 @@
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![feature(crate_visibility_modifier)]
#![feature(backtrace)]
#![feature(if_let_guard)]
#![feature(format_args_capture)]
#![feature(iter_zip)]
#![feature(nll)]
#![cfg_attr(bootstrap, allow(incomplete_features))] // if_let_guard
#[macro_use]
extern crate rustc_macros;
@ -1027,15 +1029,15 @@ impl HandlerInner {
let mut error_codes = self
.emitted_diagnostic_codes
.iter()
.filter_map(|x| match &x {
DiagnosticId::Error(s) => {
if let Ok(Some(_explanation)) = registry.try_find_description(s) {
Some(s.clone())
} else {
None
}
.filter_map(|x| {
match &x {
DiagnosticId::Error(s)
if let Ok(Some(_explanation)) = registry.try_find_description(s) =>
{
Some(s.clone())
}
_ => None,
}
})
.collect::<Vec<_>>();
if !error_codes.is_empty() {