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Suggest space separated format str literal

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This commit is contained in:
Esteban Küber
2018-07-21 12:16:06 -07:00
parent 8b59fbc951
commit 83a8af50bb
2 changed files with 3 additions and 3 deletions
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2
src/libsyntax_ext/format.rs
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@@ -728,7 +728,7 @@ pub fn expand_preparsed_format_args(ecx: &mut ExtCtxt,
Err(mut err) => { Err(mut err) => {
let sugg_fmt = match args.len() { let sugg_fmt = match args.len() {
0 => "{}".to_string(), 0 => "{}".to_string(),
_ => format!("{}{{}}", "{}, ".repeat(args.len())), _ => format!("{}{{}}", "{} ".repeat(args.len())),
}; };
err.span_suggestion( err.span_suggestion(

4
src/test/ui/macros/bad_hello.stderr
View File

@@ -15,8 +15,8 @@ LL | println!(3, 4);
| ^ | ^
help: you might be missing a string literal to format with help: you might be missing a string literal to format with
| |
LL | println!("{}, {}", 3, 4); LL | println!("{} {}", 3, 4);
| ^^^^^^^^^ | ^^^^^^^^
error: aborting due to 2 previous errors error: aborting due to 2 previous errors