prefer_interpolation_to_compose_strings

Use interpolation to compose strings and values.

This rule is available as of Dart 2.0.

Rule sets: recommended, flutter

This rule has a quick fix available.

PREFER using interpolation to compose strings and values.

Using interpolation when composing strings and values is usually easier to write and read than concatenation.

BAD:

'Hello, ' + person.name + ' from ' + person.city + '.';

GOOD:

'Hello, ${person.name} from ${person.city}.'

To enable the prefer_interpolation_to_compose_strings rule, add prefer_interpolation_to_compose_strings under linter > rules in your analysis_options.yaml file:

linter:
  rules:
    - prefer_interpolation_to_compose_strings

Unless stated otherwise, the documentation on this site reflects Dart 3.5.4. Page last updated on 2024-07-03. View source or report an issue.