use_ is_ even_ rather_ than_ modulo
Prefer intValue.isOdd/isEven instead of checking the result of % 2.
Details
#PREFER the use of intValue.isOdd/isEven to check for evenness.
BAD:
bool isEven = 1 % 2 == 0;
bool isOdd = 13 % 2 == 1;
GOOD:
bool isEven = 1.isEven;
bool isOdd = 13.isOdd;
Enable
#
To enable the
use_is_even_rather_than_modulo
rule, add
use_is_even_rather_than_modulo
under
linter > rules
in your
analysis_options.yaml
file:
linter:
rules:
- use_is_even_rather_than_modulo
If you're instead using the YAML map syntax to configure linter rules,
add
use_is_even_rather_than_modulo: true
under
linter > rules:
linter:
rules:
use_is_even_rather_than_modulo: true
Unless stated otherwise, the documentation on this site reflects Dart 3.9.2. Report an issue.