prefer_null_aware_operators

Prefer using null-aware operators.

This rule is available as of Dart 2.2.

Rule sets: recommended, flutter

This rule has a quick fix available.

PREFER using null-aware operators instead of null checks in conditional expressions.

BAD:

v = a == null ? null : a.b;

GOOD:

v = a?.b;

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

linter:
  rules:
    - prefer_null_aware_operators

除非另有说明，文档之所提及适用于 Dart 3.5.4 版本，本页面最后更新时间: 2024-08-02。 查看文档源码 或者 报告页面问题。