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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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18
compiler/rustc_session/src/options.rs
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@ -763,12 +763,9 @@ mod parse {
}
}
let v = match v {
None => {
*slot = Some(MirSpanview::Statement);
return true;
}
Some(v) => v,
let Some(v) = v else {
*slot = Some(MirSpanview::Statement);
return true;
};
*slot = Some(match v.trim_end_matches('s') {
@ -792,12 +789,9 @@ mod parse {
}
}
let v = match v {
None => {
*slot = Some(InstrumentCoverage::All);
return true;
}
Some(v) => v,
let Some(v) = v else {
*slot = Some(InstrumentCoverage::All);
return true;
};
*slot = Some(match v {