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rustdoc: format fns like format rfc 39

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This commit is contained in:
QuietMisdreavus 2017-03-28 16:49:05 -05:00
parent f77ee2ff0f
commit 8206d0c54e
1 changed files with 16 additions and 20 deletions
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36
src/librustdoc/html/format.rs
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@ -945,6 +945,10 @@ impl<'a> fmt::Display for Method<'a> {
let mut args = String::new();
let mut args_plain = String::new();
for (i, input) in decl.inputs.values.iter().enumerate() {
if i == 0 {
args.push_str("<br>");
}
if let Some(selfty) = input.to_self() {
match selfty {
clean::SelfValue => {
@ -986,8 +990,8 @@ impl<'a> fmt::Display for Method<'a> {
args_plain.push_str(&format!("{:#}", input.type_));
}
if i + 1 < decl.inputs.values.len() {
args.push_str(",");
args_plain.push_str(",");
args.push(',');
args_plain.push(',');
}
}
@ -1003,27 +1007,19 @@ impl<'a> fmt::Display for Method<'a> {
format!("{}", decl.output)
};
let mut output: String;
let plain: String;
let pad = repeat(" ").take(indent).collect::<String>();
if arrow.is_empty() {
output = format!("({})", args);
plain = format!("{}({})", pad, args_plain);
} else {
output = format!("({args})<br>{arrow}", args = args, arrow = arrow);
plain = format!("{pad}({args}){arrow}",
pad = pad,
args = args_plain,
arrow = arrow_plain);
}
let plain = format!("{pad}({args}){arrow}",
pad = pad,
args = args_plain,
arrow = arrow_plain);
if plain.len() > 80 {
let pad = repeat("&nbsp;").take(indent).collect::<String>();
let pad = format!("<br>{}", pad);
output = output.replace("<br>", &pad);
let output = if plain.len() > 80 {
let pad = "<br>&nbsp;&nbsp;&nbsp;&nbsp;";
format!("({args}<br>){arrow}", args = args.replace("<br>", pad), arrow = arrow)
} else {
output = output.replace("<br>", "");
}
format!("({args}){arrow}", args = args.replace("<br>", ""), arrow = arrow)
};
if f.alternate() {
write!(f, "{}", output.replace("<br>", "\n"))
} else {