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Use iterator chain instead of string concat. (#2655)

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* Use iterator chain instead of string concat

* Add regression test for multi-value lines
This commit is contained in:
RedlineTriad
2020-10-10 07:30:48 +02:00
committed by GitHub
parent 6817b472d0
commit 5770b15270
3 changed files with 22 additions and 3 deletions
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6
crates/nu-cli/src/commands/lines.rs
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@ -75,9 +75,9 @@ async fn lines(args: CommandArgs, registry: &CommandRegistry) -> Result<OutputSt
} => {
let mut leftover_string = leftover_string.lock();
let st = (&*leftover_string).clone() + &st;
let mut lines: Vec<String> = st.lines().map(|x| x.to_string()).collect();
let lo_lines = (&*leftover_string).lines().map(|x| x.to_string());
let st_lines = st.lines().map(|x| x.to_string());
let mut lines: Vec<String> = lo_lines.chain(st_lines).collect();
leftover_string.clear();