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| author | Esteban Küber <esteban@kuber.com.ar> | 2018-07-14 20:50:30 -0700 |
|---|---|---|
| committer | Esteban Küber <esteban@commure.com> | 2018-07-19 23:18:07 -0700 |
| commit | f53c145ef18db6543e8e5420e172e04b6054db2e (patch) | |
| tree | 9de9b0c1f029e7dfac14b0ab50181868f46bd9df /src/test/ui/fmt/format-string-error.rs | |
| parent | bc14d71622378cf942a834e7c2b5358b9901f775 (diff) | |
| download | rust-f53c145ef18db6543e8e5420e172e04b6054db2e.tar.gz rust-f53c145ef18db6543e8e5420e172e04b6054db2e.zip | |
Improve suggestion for missing fmt str in println
Avoid using `concat!(fmt, "\n")` to improve the diagnostics being emitted when the first `println!()` argument isn't a formatting string literal.
Diffstat (limited to 'src/test/ui/fmt/format-string-error.rs')
| -rw-r--r-- | src/test/ui/fmt/format-string-error.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/test/ui/fmt/format-string-error.rs b/src/test/ui/fmt/format-string-error.rs index 5b13686240e..e48aa489f43 100644 --- a/src/test/ui/fmt/format-string-error.rs +++ b/src/test/ui/fmt/format-string-error.rs @@ -10,8 +10,10 @@ fn main() { println!("{"); + //~^ ERROR invalid format string: expected `'}'` but string was terminated println!("{{}}"); println!("}"); + //~^ ERROR invalid format string: unmatched `}` found let _ = format!("{_foo}", _foo = 6usize); //~^ ERROR invalid format string: invalid argument name `_foo` let _ = format!("{_}", _ = 6usize); |