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Size language name column width to the length of the longest language.

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Connor Kuehl 2018-05-07 12:08:39 -07:00 committed by David Peter
parent 9b0877102c
commit 438a9a99ed
1 changed files with 9 additions and 4 deletions
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13
src/main.rs
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@ -568,18 +568,23 @@ fn run() -> Result<()> {
if let Some(_) = app_matches.values_of("list languages") { if let Some(_) = app_matches.values_of("list languages") {
let languages = assets.syntax_set.syntaxes(); let languages = assets.syntax_set.syntaxes();
for lang in languages { let longest = match languages.iter()
print!("{}\t", lang.name); .map(|s| s.name.len())
.max() {
Some(longlang) => longlang,
None => 32,
};
for lang in languages {
print!("{:width$} | ", lang.name, width = longest);
for i in 0..lang.file_extensions.len() { for i in 0..lang.file_extensions.len() {
print!("{}", lang.file_extensions[i]); print!("{}", lang.file_extensions[i]);
if i < lang.file_extensions.len() - 1 { if i < lang.file_extensions.len() - 1 {
print!(", "); print!(", ");
} else {
println!();
} }
} }
println!();
} }
return Ok(()); return Ok(());