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Idomatic rust #11

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Idomatic rust #11

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38fc543
Refactor: Be more idomatic with iterator API
matthiasbeyer May 14, 2021
c6c5fb8
Refactor: Be more idomatic using iterator API, remove return keyword
matthiasbeyer May 14, 2021
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18 changes: 6 additions & 12 deletions src/filter.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,18 +3,12 @@ use std::str;
pub fn filter(block_list: &Vec<String>, buf: &[u8]) -> String {
let statsd_str = unsafe { str::from_utf8_unchecked(&buf) };

let result_itr = statsd_str.split("\n").filter(|line| {
for prefix in block_list.iter() {
if line.starts_with(prefix) {
return false;
}
}
return true;
});

let result = result_itr.collect::<Vec<&str>>().join("\n");

return result;
statsd_str.split("\n")
.filter(|line| {
!block_list.iter().any(|prefix| line.starts_with(prefix))
})
.collect::<Vec<&str>>()
.join("\n")
}

#[cfg(test)]
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