call method
Returns itself.
Allows FButtonStyle to replace functions that accept and return a FButtonStyle, such as a style's
copyWith(...)
function.
Example
Given:
void copyWith(FButtonStyle Function(FButtonStyle) nestedStyle) {}
The following:
copyWith((style) => FButtonStyle(...));
Can be replaced with:
copyWith(FButtonStyle(...));
Implementation
@useResult
FButtonStyle call(Object? _) => this as FButtonStyle;