menu
rust_std package
documentation
option.dart
NoneMethodsExtension
isNone method
isNone method
dark_mode
light_mode
isNone
method
bool
isNone
(
)
Implementation
@pragma("vm:prefer-inline") bool isNone() { return true; }
rust_std package
documentation
option
NoneMethodsExtension
isNone method
NoneMethodsExtension extension on _None