// @dart = 2.19 | |
import "dart:core" as core; | |
class A implements core.Function { | |
operator ==(other) => false; | |
} | |
class B implements Function { | |
operator ==(other) => false; | |
} | |
class Function { | |
core.bool operator ==(core.Object other) => false; | |
} | |
main() {} |