unnecessary_string_interpolations
Unnecessary string interpolation.
Details
#DON'T use string interpolation if there's only a string expression in it.
BAD:
dart
String message;
String o = '$message';
GOOD:
dart
String message;
String o = message;
Enable
#To enable the unnecessary_string_interpolations
rule, add unnecessary_string_interpolations
under linter > rules in your analysis_options.yaml
file:
analysis_options.yaml
yaml
linter:
rules:
- unnecessary_string_interpolations
If you're instead using the YAML map syntax to configure linter rules, add unnecessary_string_interpolations: true
under linter > rules:
analysis_options.yaml
yaml
linter:
rules:
unnecessary_string_interpolations: true
Unless stated otherwise, the documentation on this site reflects Dart 3.6.0. Page last updated on 2025-01-27. View source or report an issue.