349 |
|
public: |
350 |
|
explicit pointer_to_unary_function(_Fn _Left) |
351 |
|
: _Pfun(_Left) |
352 |
|
{ // construct from pointer |
353 |
|
} |
354 |
|
|
355 |
|
_Result operator()(_Arg _Left) const |
356 |
|
{ // call function with operand |
357 |
|
return (_Pfun(_Left)); |
358 |
|
} |
359 |
|
|
360 |
|
protected: |
361 |
|
_Fn _Pfun; // the function pointer |
362 |
|
}; |
363 |
|
|
364 |
|
// TEMPLATE CLASS pointer_to_binary_function |
365 |
|
template<class _Arg1, |
366 |
|
class _Arg2, |
367 |
|
class _Result, |
368 |
|
class _Fn = _Result (*)(_Arg1, _Arg2)> |
369 |
|
class pointer_to_binary_function |
370 |
|
: public binary_function<_Arg1, _Arg2, _Result> |
371 |
|
{ // functor adapter (*pfunc)(left, right) |
372 |
|
public: |
373 |
|
explicit pointer_to_binary_function(_Fn _Left) |
374 |
|
: _Pfun(_Left) |
375 |
|
{ // construct from pointer |
376 |
|
} |
377 |
|
|
378 |
|
_Result operator()(_Arg1 _Left, _Arg2 _Right) const |
379 |
|
{ // call function with operands |
380 |
|
return (_Pfun(_Left, _Right)); |
381 |
|
} |
382 |
|
|
383 |
|
protected: |
384 |
|
_Fn _Pfun; // the function pointer |
385 |
|
}; |
386 |
|
|
387 |
|
// TEMPLATE FUNCTION ptr_fun |
388 |
|
template<class _Arg, |
389 |
|
class _Result> inline |
390 |
|
pointer_to_unary_function<_Arg, _Result, |
391 |
|
_Result (__cdecl *)(_Arg)> |
392 |
|
ptr_fun(_Result (__cdecl *_Left)(_Arg)) |
393 |
|
{ // return pointer_to_unary_function functor adapter |
394 |
|
return (std::pointer_to_unary_function<_Arg, _Result, |
395 |
|
_Result (__cdecl *)(_Arg)>(_Left)); |
396 |
|
} |
397 |
|
|
398 |
|
#ifdef _M_IX86 |
399 |
|
template<class _Arg, |
400 |
|
class _Result> inline |
401 |
|
pointer_to_unary_function<_Arg, _Result, |
402 |
|
_Result (__stdcall *)(_Arg)> |
403 |
|
ptr_fun(_Result (__stdcall *_Left)(_Arg)) |
404 |
|
{ // return pointer_to_unary_function functor adapter |
405 |
|
return (std::pointer_to_unary_function<_Arg, _Result, |
406 |
|
_Result (__stdcall *)(_Arg)>(_Left)); |
407 |
|
} |
408 |
|
|
409 |
|
#ifndef _M_CEE |
410 |
|
template<class _Arg, |
411 |
|
class _Result> inline |
412 |
|
pointer_to_unary_function<_Arg, _Result, |
413 |
|
_Result (__fastcall *)(_Arg)> |
414 |
|
ptr_fun(_Result (__fastcall *_Left)(_Arg)) |
415 |
|
{ // return pointer_to_unary_function functor adapter |
416 |
|
return (std::pointer_to_unary_function<_Arg, _Result, |
417 |
|
_Result (__fastcall *)(_Arg)>(_Left)); |
418 |
|
} |
419 |
|
#endif /* _M_CEE */ |
420 |
|
#endif /* _M_IX86 */ |
421 |
|
|
422 |
|
#ifdef _M_CEE |
423 |
|
template<class _Arg, |
424 |
|
class _Result> inline |
425 |
|
pointer_to_unary_function<_Arg, _Result, |
426 |
|
_Result (__clrcall *)(_Arg)> |
427 |
|
ptr_fun(_Result (__clrcall *_Left)(_Arg)) |
428 |
|
{ // return pointer_to_unary_function functor adapter |
429 |
|
return (std::pointer_to_unary_function<_Arg, _Result, |
430 |
|
_Result (__clrcall *)(_Arg)>(_Left)); |
431 |
|
} |
432 |
|
#endif /* _M_CEE */ |
433 |
|
|
434 |
|
template<class _Arg1, |
435 |
|
class _Arg2, |
436 |
|
class _Result> inline |
437 |
|
pointer_to_binary_function<_Arg1, _Arg2, _Result, |
438 |
|
_Result(__cdecl *)(_Arg1, _Arg2)> |
439 |
|
ptr_fun(_Result (__cdecl *_Left)(_Arg1, _Arg2)) |
440 |
|
{ // return pointer_to_binary_function functor adapter |
441 |
|
return (std::pointer_to_binary_function<_Arg1, _Arg2, _Result, |
442 |
|
_Result (__cdecl *)(_Arg1, _Arg2)>(_Left)); |
443 |
|
} |
444 |
|
|
445 |
|
#ifdef _M_IX86 |
446 |
|
template<class _Arg1, |
447 |
|
class _Arg2, |
448 |
|
class _Result> inline |
449 |
|
pointer_to_binary_function<_Arg1, _Arg2, _Result, |
450 |
|
_Result(__stdcall *)(_Arg1, _Arg2)> |
451 |
|
ptr_fun(_Result (__stdcall *_Left)(_Arg1, _Arg2)) |
452 |
|
{ // return pointer_to_binary_function functor adapter |
453 |
|
return (std::pointer_to_binary_function<_Arg1, _Arg2, _Result, |
454 |
|
_Result (__stdcall *)(_Arg1, _Arg2)>(_Left)); |
455 |
|
} |
456 |
|
|
457 |
|
#ifndef _M_CEE |
458 |
|
template<class _Arg1, |
459 |
|
class _Arg2, |
460 |
|
class _Result> inline |
461 |
|
pointer_to_binary_function<_Arg1, _Arg2, _Result, |
462 |
|
_Result(__fastcall *)(_Arg1, _Arg2)> |
463 |
|
ptr_fun(_Result (__fastcall *_Left)(_Arg1, _Arg2)) |
464 |
|
{ // return pointer_to_binary_function functor adapter |
465 |
|
return (std::pointer_to_binary_function<_Arg1, _Arg2, _Result, |
466 |
|
_Result (__fastcall *)(_Arg1, _Arg2)>(_Left)); |
467 |
|
} |
468 |
|
#endif /* _M_CEE */ |
469 |
|
#endif /* _M_IX86 */ |
470 |
|
|
471 |
|
#ifdef _M_CEE |
472 |
|
template<class _Arg1, |
473 |
|
class _Arg2, |
474 |
|
class _Result> inline |
475 |
|
pointer_to_binary_function<_Arg1, _Arg2, _Result, |
476 |
|
_Result(__clrcall *)(_Arg1, _Arg2)> |
477 |
|
ptr_fun(_Result (__clrcall *_Left)(_Arg1, _Arg2)) |
478 |
|
{ // return pointer_to_binary_function functor adapter |
479 |
|
return (std::pointer_to_binary_function<_Arg1, _Arg2, _Result, |
480 |
|
_Result (__clrcall *)(_Arg1, _Arg2)>(_Left)); |
481 |
|
} |
482 |
|
#endif /* _M_CEE */ |
483 |
|
|
484 |
|
// TEMPLATE CLASS mem_fun_t |
485 |
|
template<class _Result, |
486 |
|
class _Ty> |
487 |
|
class mem_fun_t |
488 |
|
: public unary_function<_Ty *, _Result> |
489 |
|
{ // functor adapter (*p->*pfunc)(), non-const *pfunc |
490 |
|
public: |
491 |
|
explicit mem_fun_t(_Result (_Ty::*_Pm)()) |
492 |
|
: _Pmemfun(_Pm) |
493 |
|
{ // construct from pointer |
494 |
|
} |
495 |
|
|
496 |
|
_Result operator()(_Ty *_Pleft) const |
497 |
|
{ // call function |
498 |
|
return ((_Pleft->*_Pmemfun)()); |
499 |
|
} |
500 |
|
|
501 |
|
private: |
502 |
|
_Result (_Ty::*_Pmemfun)(); // the member function pointer |
503 |
|
}; |
504 |
|
|
505 |
|
// TEMPLATE CLASS mem_fun1_t |
506 |
|
template<class _Result, |
507 |
|
class _Ty, |
508 |
|
class _Arg> |
509 |
|
class mem_fun1_t |
510 |
|
: public binary_function<_Ty *, _Arg, _Result> |
511 |
|
{ // functor adapter (*p->*pfunc)(val), non-const *pfunc |
512 |
|
public: |
513 |
|
explicit mem_fun1_t(_Result (_Ty::*_Pm)(_Arg)) |
514 |
|
: _Pmemfun(_Pm) |
515 |
|
{ // construct from pointer |
516 |
|
} |
517 |
|
|
518 |
|
_Result operator()(_Ty *_Pleft, _Arg _Right) const |
519 |
|
{ // call function with operand |
520 |
|
return ((_Pleft->*_Pmemfun)(_Right)); |
521 |
|
} |
522 |
|
|
523 |
|
private: |
524 |
|
_Result (_Ty::*_Pmemfun)(_Arg); // the member function pointer |
525 |
|
}; |
526 |
|
|
527 |
|
// TEMPLATE CLASS const_mem_fun_t |
528 |
|
template<class _Result, |
529 |
|
class _Ty> |
530 |
|
class const_mem_fun_t |
531 |
|
: public unary_function<const _Ty *, _Result> |
532 |
|
{ // functor adapter (*p->*pfunc)(), const *pfunc |
533 |
|
public: |
534 |
|
explicit const_mem_fun_t(_Result (_Ty::*_Pm)() const) |
535 |
|
: _Pmemfun(_Pm) |
536 |
|
{ // construct from pointer |
537 |
|
} |
538 |
|
|
539 |
|
_Result operator()(const _Ty *_Pleft) const |
540 |
|
{ // call function |
541 |
|
return ((_Pleft->*_Pmemfun)()); |
542 |
|
} |
543 |
|
|
544 |
|
private: |
545 |
|
_Result (_Ty::*_Pmemfun)() const; // the member function pointer |
546 |
|
}; |
547 |
|
|
548 |
|
// TEMPLATE CLASS const_mem_fun1_t |
549 |
|
template<class _Result, |
550 |
|
class _Ty, |
551 |
|
class _Arg> |
552 |
|
class const_mem_fun1_t |
553 |
|
: public binary_function<const _Ty *, _Arg, _Result> |
554 |
|
{ // functor adapter (*p->*pfunc)(val), const *pfunc |
555 |
|
public: |
556 |
|
explicit const_mem_fun1_t(_Result (_Ty::*_Pm)(_Arg) const) |
557 |
|
: _Pmemfun(_Pm) |
558 |
|
{ // construct from pointer |
559 |
|
} |
560 |
|
|
561 |
|
_Result operator()(const _Ty *_Pleft, _Arg _Right) const |
562 |
|
{ // call function with operand |
563 |
|
return ((_Pleft->*_Pmemfun)(_Right)); |
564 |
|
} |
565 |
|
|
566 |
|
private: |
567 |
|
_Result (_Ty::*_Pmemfun)(_Arg) const; // the member function pointer |
568 |
|
}; |
569 |
|
|
570 |
|
// TEMPLATE FUNCTION mem_fun |
571 |
|
template<class _Result, |
572 |
|
class _Ty> inline |
573 |
|
mem_fun_t<_Result, _Ty> mem_fun(_Result (_Ty::*_Pm)()) |
574 |
|
{ // return a mem_fun_t functor adapter |
575 |
|
return (std::mem_fun_t<_Result, _Ty>(_Pm)); |
576 |
|
} |
577 |
|
|
578 |
|
template<class _Result, |
579 |
|
class _Ty, |
580 |
|
class _Arg> inline |
581 |
|
mem_fun1_t<_Result, _Ty, _Arg> mem_fun(_Result (_Ty::*_Pm)(_Arg)) |
582 |
|
{ // return a mem_fun1_t functor adapter |
583 |
|
return (std::mem_fun1_t<_Result, _Ty, _Arg>(_Pm)); |
584 |
|
} |
585 |
|
|
586 |
|
template<class _Result, |
587 |
|
class _Ty> inline |
588 |
|
const_mem_fun_t<_Result, _Ty> |
589 |
|
mem_fun(_Result (_Ty::*_Pm)() const) |
590 |
|
{ // return a const_mem_fun_t functor adapter |
591 |
|
return (std::const_mem_fun_t<_Result, _Ty>(_Pm)); |
592 |
|
} |
593 |
|
|
594 |
|
template<class _Result, |
595 |
|
class _Ty, |
596 |
|
class _Arg> inline |
597 |
|
const_mem_fun1_t<_Result, _Ty, _Arg> |
598 |
|
mem_fun(_Result (_Ty::*_Pm)(_Arg) const) |
599 |
|
{ // return a const_mem_fun1_t functor adapter |
600 |
|
return (std::const_mem_fun1_t<_Result, _Ty, _Arg>(_Pm)); |
601 |
|
} |
602 |
|
|
603 |
|
// TEMPLATE FUNCTION mem_fun1 (retained) |
604 |
|
template<class _Result, |
605 |
|
class _Ty, |
606 |
|
class _Arg> inline |
607 |
|
mem_fun1_t<_Result, _Ty, _Arg> mem_fun1(_Result (_Ty::*_Pm)(_Arg)) |
608 |
|
{ // return a mem_fun1_t functor adapter |
609 |
|
return (std::mem_fun1_t<_Result, _Ty, _Arg>(_Pm)); |
610 |
|
} |
611 |
|
|
612 |
|
// TEMPLATE CLASS mem_fun_ref_t |
613 |
|
template<class _Result, |
614 |
|
class _Ty> |
615 |
|
class mem_fun_ref_t |
616 |
|
: public unary_function<_Ty, _Result> |
617 |
|
{ // functor adapter (*left.*pfunc)(), non-const *pfunc |
618 |
|
public: |
619 |
|
explicit mem_fun_ref_t(_Result (_Ty::*_Pm)()) |
620 |
|
: _Pmemfun(_Pm) |
621 |
|
{ // construct from pointer |
622 |
|
} |
623 |
|
|
624 |
|
_Result operator()(_Ty& _Left) const |
625 |
|
{ // call function |
626 |
|
return ((_Left.*_Pmemfun)()); |
627 |
|
} |
628 |
|
|
629 |
|
private: |
630 |
|
_Result (_Ty::*_Pmemfun)(); // the member function pointer |
631 |
|
}; |
632 |
|
|
633 |
|
// TEMPLATE CLASS mem_fun1_ref_t |
634 |
|
template<class _Result, |
635 |
|
class _Ty, |
636 |
|
class _Arg> |
637 |
|
class mem_fun1_ref_t |
638 |
|
: public binary_function<_Ty, _Arg, _Result> |
639 |
|
{ // functor adapter (*left.*pfunc)(val), non-const *pfunc |
640 |
|
public: |
641 |
|
explicit mem_fun1_ref_t(_Result (_Ty::*_Pm)(_Arg)) |
642 |
|
: _Pmemfun(_Pm) |
643 |
|
{ // construct from pointer |
644 |
|
} |
645 |
|
|
646 |
|
_Result operator()(_Ty& _Left, _Arg _Right) const |
647 |
|
{ // call function with operand |
648 |
|
return ((_Left.*_Pmemfun)(_Right)); |
649 |
|
} |
650 |
|
|
651 |
|
private: |
652 |
|
_Result (_Ty::*_Pmemfun)(_Arg); // the member function pointer |
653 |
|
}; |
654 |
|
|
655 |
|
// TEMPLATE CLASS const_mem_fun_ref_t |
656 |
|
template<class _Result, |
657 |
|
class _Ty> |
658 |
|
class const_mem_fun_ref_t |
659 |
|
: public unary_function<_Ty, _Result> |
660 |
|
{ // functor adapter (*left.*pfunc)(), const *pfunc |
661 |
|
public: |
662 |
|
explicit const_mem_fun_ref_t(_Result (_Ty::*_Pm)() const) |
663 |
|
: _Pmemfun(_Pm) |
664 |
|
{ // construct from pointer |
665 |
|
} |
666 |
|
|
667 |
|
_Result operator()(const _Ty& _Left) const |
668 |
|
{ // call function |
669 |
|
return ((_Left.*_Pmemfun)()); |
670 |
|
} |
671 |
|
|
672 |
|
private: |
673 |
|
_Result (_Ty::*_Pmemfun)() const; // the member function pointer |
674 |
|
}; |
675 |
|
|
676 |
|
// TEMPLATE CLASS const_mem_fun1_ref_t |
677 |
|
template<class _Result, |
678 |
|
class _Ty, |
679 |
|
class _Arg> |
680 |
|
class const_mem_fun1_ref_t |
681 |
|
: public binary_function<_Ty, _Arg, _Result> |
682 |
|
{ // functor adapter (*left.*pfunc)(val), const *pfunc |
683 |
|
public: |
684 |
|
explicit const_mem_fun1_ref_t(_Result (_Ty::*_Pm)(_Arg) const) |
685 |
|
: _Pmemfun(_Pm) |
686 |
|
{ // construct from pointer |
687 |
|
} |
688 |
|
|
689 |
|
_Result operator()(const _Ty& _Left, _Arg _Right) const |
690 |
|
{ // call function with operand |
691 |
|
return ((_Left.*_Pmemfun)(_Right)); |
692 |
|
} |
693 |
|
|
694 |
|
private: |
695 |
|
_Result (_Ty::*_Pmemfun)(_Arg) const; // the member function pointer |
696 |
|
}; |
697 |
|
|
698 |
|
// TEMPLATE FUNCTION mem_fun_ref |
699 |
|
template<class _Result, |
700 |
|
class _Ty> inline |
701 |
|
mem_fun_ref_t<_Result, _Ty> mem_fun_ref(_Result (_Ty::*_Pm)()) |
702 |
|
{ // return a mem_fun_ref_t functor adapter |
703 |
|
return (std::mem_fun_ref_t<_Result, _Ty>(_Pm)); |
704 |
|
} |
705 |
|
|
706 |
|
template<class _Result, |
707 |
|
class _Ty, |
708 |
|
class _Arg> inline |
709 |
|
mem_fun1_ref_t<_Result, _Ty, _Arg> |
710 |
|
mem_fun_ref(_Result (_Ty::*_Pm)(_Arg)) |
711 |
|
{ // return a mem_fun1_ref_t functor adapter |
712 |
|
return (std::mem_fun1_ref_t<_Result, _Ty, _Arg>(_Pm)); |
713 |
|
} |
714 |
|
|
715 |
|
template<class _Result, |
716 |
|
class _Ty> inline |
717 |
|
const_mem_fun_ref_t<_Result, _Ty> |
718 |
|
mem_fun_ref(_Result (_Ty::*_Pm)() const) |
719 |
|
{ // return a const_mem_fun_ref_t functor adapter |
720 |
|
return (std::const_mem_fun_ref_t<_Result, _Ty>(_Pm)); |
721 |
|
} |
722 |
|
|
723 |
|
template<class _Result, |
724 |
|
class _Ty, |
725 |
|
class _Arg> inline |
726 |
|
const_mem_fun1_ref_t<_Result, _Ty, _Arg> |
727 |
|
mem_fun_ref(_Result (_Ty::*_Pm)(_Arg) const) |
728 |
|
{ // return a const_mem_fun1_ref_t functor adapter |
729 |
|
return (std::const_mem_fun1_ref_t<_Result, _Ty, _Arg>(_Pm)); |
730 |
|
} |
731 |
|
|
732 |
|
// TEMPLATE FUNCTION mem_fun1_ref (retained) |
733 |
|
template<class _Result, |
734 |
|
class _Ty, |
735 |
|
class _Arg> inline |
736 |
|
mem_fun1_ref_t<_Result, _Ty, _Arg> mem_fun1_ref(_Result (_Ty::*_Pm)(_Arg)) |
737 |
|
{ // return a mem_fun1_ref_t functor adapter |
738 |
|
return (std::mem_fun1_ref_t<_Result, _Ty, _Arg>(_Pm)); |
739 |
|
} |
740 |
|
|
741 |
|
#if _HAS_TRADITIONAL_STL |
742 |
|
// TEMPLATE STRUCT identity |
743 |
|
template<class _Arg> |
744 |
|
struct identity |
745 |
|
: public unary_function<_Arg, _Arg> |
746 |
|
{ // functor for unary identity operator |
747 |
|
_Arg operator()(const _Arg& _Left) const |
748 |
|
{ // apply identity operator to operand |
749 |
|
return (_Left); |
750 |
|
} |
751 |
|
}; |
752 |
|
|
753 |
|
// TEMPLATE STRUCT project1st |
754 |
|
template<class _Arg1, |
755 |
|
class _Arg2> |
756 |
|
struct project1st |
757 |
|
: public binary_function<_Arg1, _Arg2, _Arg1> |
758 |
|
{ // functor for binary first of two arg selector operator |
759 |
|
_Arg1 operator()(const _Arg1& _Left, const _Arg2&) const |
760 |
|
{ // apply first selector operator to two operands |
761 |
|
return (_Left); |
762 |
|
} |
763 |
|
}; |
764 |
|
|
765 |
|
// TEMPLATE STRUCT project2nd |
766 |
|
template<class _Arg1, |
767 |
|
class _Arg2> |
768 |
|
struct project2nd |
769 |
|
: public binary_function<_Arg1, _Arg2, _Arg2> |
770 |
|
{ // functor for binary second of two arg selector operator |
771 |
|
_Arg2 operator()(const _Arg1&, const _Arg2& _Right) const |
772 |
|
{ // apply second selector operator to two operands |
773 |
|
return (_Right); |
774 |
|
} |
775 |
|
}; |
776 |
|
|
777 |
|
// TEMPLATE STRUCT select1st |
778 |
|
template<class _Pair> |
779 |
|
struct select1st |
780 |
|
: public unary_function<_Pair, typename _Pair::first_type> |
781 |
|
{ // functor for unary first of pair selector operator |
782 |
|
const typename _Pair::first_type& operator()(const _Pair& _Left) const |
783 |
|
{ // apply first selector operator to pair operand |
784 |
|
return (_Left.first); |
785 |
|
} |
786 |
|
}; |
787 |
|
|
788 |
|
// TEMPLATE STRUCT select2nd |
789 |
|
template<class _Pair> |
790 |
|
struct select2nd |
791 |
|
: public unary_function<_Pair, typename _Pair::second_type> |
792 |
|
{ // functor for unary second of pair selector operator |
793 |
|
const typename _Pair::second_type& operator()(const _Pair& _Left) const |
794 |
|
{ // apply second selector operator to pair operand |
795 |
|
return (_Left.second); |
796 |
|
} |
797 |
|
}; |
798 |
|
|
799 |
|
// TEMPLATE CLASS unary_compose |
800 |
|
template<class _Fn1, |
801 |
|
class _Fn2> |
802 |
|
class unary_compose |
803 |
|
: public unary_function<typename _Fn2::argument_type, |
804 |
|
typename _Fn1::result_type> |
805 |
|
{ // functor for f1(f2(x)) |
806 |
|
public: |
807 |
|
unary_compose(const _Fn1& _Func1, const _Fn2& _Func2) |
808 |
|
: _Functor1(_Func1), _Functor2(_Func2) |
809 |
|
{ // construct from functors |
810 |
|
} |
811 |
|
|
812 |
|
typename _Fn1::result_type operator()( |
813 |
|
const typename _Fn2::argument_type& _Left) const |
814 |
|
{ // apply functors to operand |
815 |
|
return (_Functor1(_Functor2(_Left))); |
816 |
|
} |
817 |
|
|
818 |
|
protected: |
819 |
|
_Fn1 _Functor1; |
820 |
|
_Fn2 _Functor2; |
821 |
|
}; |
822 |
|
|
823 |
|
// TEMPLATE FUNCTION compose1 |
824 |
|
template<class _Fn1, |
825 |
|
class _Fn2> inline |
826 |
|
unary_compose<_Fn1, _Fn2> compose1(const _Fn1& _Func1, |
827 |
|
const _Fn2& _Func2) |
828 |
|
{ // return a unary_compose<_Fn1, _Fn2> functor adapter |
829 |
|
return (unary_compose<_Fn1, _Fn2>(_Func1, _Func2)); |
830 |
|
} |
831 |
|
|
832 |
|
// TEMPLATE CLASS binary_compose |
833 |
|
template<class _Fn1, |
834 |
|
class _Fn2, |
835 |
|
class _Fn3> |
836 |
|
class binary_compose |
837 |
|
: public unary_function<typename _Fn2::argument_type, |
838 |
|
typename _Fn1::result_type> |
839 |
|
{ // functor for f1(f2(x), f3(x)) |
840 |
|
public: |
841 |
|
binary_compose(const _Fn1& _Func1, const _Fn2& _Func2, const _Fn3& _Func3) |
842 |
|
: _Functor1(_Func1), _Functor2(_Func2), _Functor3(_Func3) |
843 |
|
{ // construct from functors |
844 |
|
} |
845 |
|
|
846 |
|
typename _Fn1::result_type operator()( |
847 |
|
const typename _Fn2::argument_type& _Left) const |
848 |
|
{ // apply functors to operand |
849 |
|
return (_Functor1(_Functor2(_Left), _Functor3(_Left))); |
850 |
|
} |
851 |
|
|
852 |
|
protected: |
853 |
|
_Fn1 _Functor1; |
854 |
|
_Fn2 _Functor2; |
855 |
|
_Fn3 _Functor3; |
856 |
|
}; |
857 |
|
|
858 |
|
// TEMPLATE FUNCTION compose2 |
859 |
|
template<class _Fn1, |
860 |
|
class _Fn2, |
861 |
|
class _Fn3> inline |
862 |
|
binary_compose<_Fn1, _Fn2, _Fn3> compose2(const _Fn1& _Func1, |
863 |
|
const _Fn2& _Func2, const _Fn3& _Func3) |
864 |
|
{ // return a binary_compose<_Fn1, _Fn2, _Fn3> functor adapter |
865 |
|
return (binary_compose<_Fn1, _Fn2, _Fn3>(_Func1, _Func2, _Func3)); |
866 |
|
} |
867 |
|
#endif /* _HAS_TRADITIONAL_STL */ |
868 |
|
|
869 |
|
_STD_END |
870 |
|
|
871 |
|
#if _HAS_TR1 |
872 |
|
#include <exception> |
873 |
|
#include <typeinfo> |
874 |
|
#include <xrefwrap> |
875 |
|
|
876 |
|
#ifndef _XSTD2 |
877 |
|
#define _XSTD2 |
878 |
|
#endif /* _XSTD2 */ |
879 |
|
|
880 |
|
_STD_BEGIN |
881 |
|
namespace tr1 { // TR1 additions |
882 |
|
|
883 |
|
// IMPLEMENT std::tr1::mem_fn |
884 |
|
// TEMPLATE FUNCTION mem_fn |
885 |
|
template<class _Rx, |
886 |
|
class _Arg0> |
887 |
|
_Call_wrapper<_Callable_pmd<_Rx _Arg0::*const, _Arg0> > |
888 |
|
mem_fn(_Rx _Arg0::*const _Pmd) |
889 |
|
{ // return data object wrapper |
890 |
|
return (_Call_wrapper<_Callable_pmd<_Rx _Arg0::*const, _Arg0> >(_Pmd)); |
891 |
|
} |
892 |
|
|
893 |
|
// define multiple-argument variants of mem_fn |
894 |
|
#define _INCL_FILE <xxmem_fn> |
895 |
|
#define _NOZERO |
896 |
|
#include <xfwrap> |
897 |
|
|
898 |
|
// IMPLEMENT std::tr1::function |
899 |
|
// HELPERS |
900 |
|
|
901 |
|
#if _NO_SFINAE |
902 |
|
#define _NOT_INTEGRAL(ty) |
903 |
|
typedef int _Unutterable; |
904 |
|
|
905 |
|
#else /* _NO_SFINAE */ |
906 |
|
template<bool, |
907 |
|
class _Ty> |
908 |
|
struct _Not_integral; |
909 |
|
|
910 |
|
template<class _Ty> |
911 |
|
struct _Not_integral<true, _Ty> |
912 |
|
{ // distinguish non-integral types |
913 |
|
typedef _Ty _Type; |
914 |
|
}; |
915 |
|
|
916 |
|
#define _NOT_INTEGRAL(ty) , \ |
917 |
|
typename _Not_integral<!_Is_integral<ty>::value, int>::_Type = 0 |
918 |
|
|
919 |
|
typedef struct _Unnamed *_Unutterable; |
920 |
|
#endif /* _NO_SFINAE */ |
921 |
|
|
922 |
|
// CLASS bad_function_call |
923 |
|
class bad_function_call |
924 |
|
: public _XSTD exception |
925 |
|
{ // null function pointer exception |
926 |
|
public: |
927 |
|
explicit bad_function_call(const char * = 0) |
928 |
|
{ // construct with ignored message |
929 |
|
} |
930 |
|
|
931 |
|
virtual const char *__CLR_OR_THIS_CALL what() const _THROW0() |
932 |
|
{ // return pointer to message string |
933 |
|
return ("bad function call"); |
934 |
|
} |
935 |
|
}; |
936 |
|
|
937 |
|
_CRTIMP2_PURE __declspec(noreturn) void __CLRCALL_PURE_OR_CDECL _Xfunc(); |
938 |
|
|
939 |
|
// TEMPLATE FUNCTION _Get_function_impl |
940 |
|
template<class _Tx> |
941 |
|
struct _Get_function_impl; |
942 |
|
|
943 |
|
// function implementation: |
944 |
|
#define _INCL_FILE <xxfunction> |
945 |
|
#include <xfwrap> |
946 |
|
|
947 |
|
// TEMPLATE CLASS function |
948 |
|
template<class _Fty> |
949 |
|
class function |
950 |
|
: public _Get_function_impl<_Fty>::_Type |
951 |
|
{ // wrapper for callable objects |