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Author SHA1 Message Date
Esteban Küber
f53c145ef1 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.
2018-07-19 23:18:07 -07:00
Esteban Küber
3f6b3bbace Improve format string errors
- Point at format string position inside the formatting string
 - Explain that argument names can't start with an underscore
2018-05-10 09:09:58 -07:00
Esteban Küber
3c17abc4d9 On fmt string with unescaped { note how to escape
On cases of malformed format strings where a `{` hasn't been properly
escaped, like `println!("{");`, present a note explaining how to escape
the `{` char.
2016-11-11 10:53:02 -08:00