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feat(help): add '...' to indicate multiple values supported

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This commit is contained in:
Kevin K 2015-03-29 23:14:56 -04:00
parent fb3ccd7aaf
commit 297ddba770
1 changed files with 7 additions and 3 deletions
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10
src/app.rs
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@ -417,11 +417,15 @@ impl<'a, 'v, 'ab, 'u, 'ar> App<'a, 'v, 'ab, 'u, 'ar>{
let mut num_req_pos = 0;
let req_pos = self.positionals_idx.values().filter_map(|ref x| if x.required || self.required.contains(x.name) {
num_req_pos += 1;
Some(x.name)
if x.multiple {
Some(format!("<{}>...", x.name))
} else {
Some(format!("<{}>", x.name))
}
} else {
None
})
.fold(String::new(), |acc, ref name| acc + &format!("<{}> ", name)[..]);
.fold(String::new(), |acc, ref name| acc + &format!("{} ", name)[..]);
let mut num_req_opts = 0;
let req_opts = self.opts.values().filter_map(|x| if x.required || self.required.contains(x.name) {
num_req_opts += 1;
@ -516,7 +520,7 @@ impl<'a, 'v, 'ab, 'u, 'ar> App<'a, 'v, 'ab, 'u, 'ar>{
println!("");
println!("POSITIONAL ARGUMENTS:");
for v in self.positionals_idx.values() {
println!("\t{}\t\t{}", v.name,
println!("\t{}\t\t{}", if v.multiple {format!("{}...",v.name)} else {v.name.to_owned()},
if let Some(h) = v.help {
format!("{}{}",
h,