Contents

prefer_interpolation_to_compose_strings

Contents

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.

Details

#

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:

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

GOOD:

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

Usage

#

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

analysis_options.yaml
yaml
linter:
  rules:
    - prefer_interpolation_to_compose_strings