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Avoid allocating intermediate strings in determine_operation

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This commit is contained in:
Mattias Wallin 2024-09-01 09:25:05 +02:00 committed by Yacin Tmimi
parent 9d407bfd1b
commit 5d30ce6844
1 changed files with 8 additions and 9 deletions
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17
src/bin/main.rs
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@ -462,16 +462,15 @@ fn print_version() {
fn determine_operation(matches: &Matches) -> Result<Operation, OperationError> {
if matches.opt_present("h") {
let topic = matches.opt_str("h");
if topic.is_none() {
let Some(topic) = matches.opt_str("h") else {
return Ok(Operation::Help(HelpOp::None));
} else if topic == Some("config".to_owned()) {
return Ok(Operation::Help(HelpOp::Config));
} else if topic == Some("file-lines".to_owned()) && is_nightly() {
return Ok(Operation::Help(HelpOp::FileLines));
} else {
return Err(OperationError::UnknownHelpTopic(topic.unwrap()));
}
};
return match topic.as_str() {
"config" => Ok(Operation::Help(HelpOp::Config)),
"file-lines" if is_nightly() => Ok(Operation::Help(HelpOp::FileLines)),
_ => Err(OperationError::UnknownHelpTopic(topic)),
};
}
let mut free_matches = matches.free.iter();