library test; | |
class A { | |
double operator -(other) => 2.0; | |
int operator +(other) => 1; | |
} | |
class B { | |
A a = throw ''; | |
} | |
main() {} | |
var v_postfix_mm = (new B().a--); | |
var v_postfix_pp = (new B().a++); | |
var v_prefix_mm = (--new B().a); | |
var v_prefix_pp = (++new B().a); |