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Replace unneeded owned Vec usage with slice.

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This commit is contained in:
Corey Farwell 2016-03-19 23:37:13 -04:00
parent 151be09333
commit 4238d0b639
1 changed files with 3 additions and 3 deletions
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6
src/librustc_driver/lib.rs
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@ -157,7 +157,7 @@ pub fn run_compiler<'a>(args: &[String],
}
}}
let matches = match handle_options(args.to_vec()) {
let matches = match handle_options(args) {
Some(matches) => matches,
None => return (Ok(()), None),
};
@ -870,9 +870,9 @@ fn print_flag_list<T>(cmdline_opt: &str,
///
/// So with all that in mind, the comments below have some more detail about the
/// contortions done here to get things to work out correctly.
pub fn handle_options(mut args: Vec<String>) -> Option<getopts::Matches> {
pub fn handle_options(args: &[String]) -> Option<getopts::Matches> {
// Throw away the first argument, the name of the binary
let _binary = args.remove(0);
let args = &args[1..];
if args.is_empty() {
// user did not write `-v` nor `-Z unstable-options`, so do not