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Rollup merge of #94146 - est31:let_else, r=cjgillot

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Adopt let else in more places

Continuation of #89933, #91018, #91481, #93046, #93590, #94011.

I have extended my clippy lint to also recognize tuple passing and match statements. The diff caused by fixing it is way above 1 thousand lines. Thus, I split it up into multiple pull requests to make reviewing easier. This is the biggest of these PRs and handles the changes outside of rustdoc, rustc_typeck, rustc_const_eval, rustc_trait_selection, which were handled in PRs #94139, #94142, #94143, #94144.
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Matthias Krüger 2022-02-20 00:37:34 +01:00 • committed by GitHub
commit f2d6770f77
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132 changed files with 539 additions and 881 deletions
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5
compiler/rustc_interface/src/util.rs
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@ -430,10 +430,7 @@ fn get_codegen_sysroot(maybe_sysroot: &Option<PathBuf>, backend_name: &str) -> M
];
for entry in d.filter_map(|e| e.ok()) {
let path = entry.path();
let filename = match path.file_name().and_then(|s| s.to_str()) {
Some(s) => s,
None => continue,
};
let Some(filename) = path.file_name().and_then(|s| s.to_str()) else { continue };
if !(filename.starts_with(DLL_PREFIX) && filename.ends_with(DLL_SUFFIX)) {
continue;
}