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docs: allow for multiline usage

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Terts Diepraam 2022-02-13 21:45:43 +01:00
parent 1167d811d5
commit 4f7f4445cb
1 changed files with 8 additions and 1 deletions
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9
src/bin/uudoc.rs
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@ -67,7 +67,14 @@ fn write_version(w: &mut impl Write, app: &App) -> io::Result<()> {
fn write_usage(w: &mut impl Write, app: &mut App, name: &str) -> io::Result<()> {
writeln!(w, "\n```")?;
let mut usage: String = app.render_usage().lines().nth(1).unwrap().trim().into();
let mut usage: String = app
.render_usage()
.lines()
.skip(1)
.map(|l| l.trim())
.filter(|l| !l.is_empty())
.collect::<Vec<_>>()
.join("\n");
usage = usage.replace(app.get_name(), name);
writeln!(w, "{}", usage)?;
writeln!(w, "```")