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Collect at callsite, use eprintln instead of println

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Philipp Hansch 2019-05-17 07:41:25 +02:00
parent d9a8a8a778
commit 619a2906f8
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GPG Key ID: 82AA61CAA11397E6
1 changed files with 3 additions and 4 deletions
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7
clippy_dev/src/stderr_length_check.rs
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@ -11,10 +11,10 @@ const LIMIT: usize = 320;
pub fn check() {
let stderr_files = stderr_files();
let exceeding_files = exceeding_stderr_files(stderr_files);
let exceeding_files = exceeding_stderr_files(stderr_files).collect::<Vec<String>>();
if !exceeding_files.is_empty() {
println!("Error: stderr files exceeding limit of {} lines:", LIMIT);
eprintln!("Error: stderr files exceeding limit of {} lines:", LIMIT);
for path in exceeding_files {
println!("{}", path);
}
@ -22,7 +22,7 @@ pub fn check() {
}
}
fn exceeding_stderr_files(files: impl Iterator<Item = walkdir::DirEntry>) -> Vec<String> {
fn exceeding_stderr_files(files: impl Iterator<Item = walkdir::DirEntry>) -> impl Iterator<Item = String> {
files
.filter_map(|file| {
let path = file.path().to_str().expect("Could not convert path to str").to_string();
@ -33,7 +33,6 @@ fn exceeding_stderr_files(files: impl Iterator<Item = walkdir::DirEntry>) -> Vec
None
}
})
.collect()
}
fn stderr_files() -> impl Iterator<Item = walkdir::DirEntry> {