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Dogfood 'str_split_once() with compiler/

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This commit is contained in:
Eric Arellano 2020-12-07 11:59:24 -07:00
parent 0f6f2d681b
commit 12db2225b6
7 changed files with 83 additions and 89 deletions
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7
compiler/rustc_session/src/options.rs
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@ -179,9 +179,10 @@ macro_rules! options {
{
let mut op = $defaultfn();
for option in matches.opt_strs($prefix) {
let mut iter = option.splitn(2, '=');
let key = iter.next().unwrap();
let value = iter.next();
let (key, value) = match option.split_once('=') {
None => (option, None),
Some((k, v)) => (k.to_string(), Some(v)),
};
let option_to_lookup = key.replace("-", "_");
let mut found = false;
for &(candidate, setter, type_desc, _) in $stat {