prefer_null_aware_method_calls
Prefer null
-aware method calls.
Details
#Instead of checking nullability of a function/method f
before calling it,
you can use f?.call()
.
BAD:
dart
if (f != null) f!();
GOOD:
dart
f?.call();
Enable
#To enable the prefer_null_aware_method_calls
rule,
add prefer_null_aware_method_calls
under linter > rules in your
analysis_options.yaml
file:
analysis_options.yaml
yaml
linter:
rules:
- prefer_null_aware_method_calls
If you're instead using the YAML map syntax to configure linter rules,
add prefer_null_aware_method_calls: true
under linter > rules:
analysis_options.yaml
yaml
linter:
rules:
prefer_null_aware_method_calls: true
除非另有说明,文档之所提及适用于 Dart 3.7.2 版本,本页面最后更新时间: 2025-03-07。 查看文档源码 或者 报告页面问题。