И
Size: a a a
И
И
И
И
И
Тᅠ
interface Filter(T){
bool check(T);
Filter!T opBinary(string op)(Filter!T b ){
return new class Filter!T{
bool check(T u){
return mixin(this.check(u) ~ op ~op~ b.check(u));Тᅠ
Тᅠ
Тᅠ
Тᅠ
Тᅠ
Тᅠ
Тᅠ