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? ??? ?? C++ \'void\'? ???? C, C, C#?? ??? ??????

\'void\'? ???? C, C, C#?? ??? ??????

Oct 30, 2024 pm 05:21 PM

What is 'void' and how is it used in C, C  , and C#?

C, C, C#?? 'void' ?? ??

????? ???? 'void'? ?? ???? ?????. ??? ??? ??? ???? ??. ? ??? ?? ??? ???? ??? ?? C, C ? C#?? ???? ??? ???.

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Void? ?? ??? ''?? ???????. vacuus'? '?? ??' ?? '?'? ?????. ????? ???? ?? ?? ??? ??? ???? ?????. ?? ??? ?? ????? ???? ??? ?? ?? ???? ?? ??? ???? ????.

Void ??

Void? ????? ? ?? ?? ???? ?????.

  • ?? ??: ??? 'void' ??? ???? ???? ??? ???? ??? ?????. ?? ??, 'int myFunc(void)'? 'myFunc'? ????? ??? ?????.
  • ?? ?? ?: 'void'? ???? ??? ??? ???? ??? ?????. ????? ??? ?????. ?? ?? 'void myFunc(int)'? ????? ?? ??? ?????? 'myFunc'? ?? ?? ???? ??? ?????.
  • ?? ??? ???: C ? C??, 'void*'? ?? ??? ???? ??? ? ??? ?? ???? ? ?? ?? ??? ??????. ?? ??? ??? ????? ??? ??? ??? ? ? ??? ??? ?? ??? ?? ?????.

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C??? ?? ??? ???? ?? 'void' ???? ?? ?????. ?? 'int myFunc()'? 'int myFunc(void)'? ???? ?????. ??? C#??? ?? ????? ??? ?? ??? ??? ? ?? 'void' ???? ?????.

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InstallaC compilerlikeg usingpackagemanagersordevelopmenttoolsdependingontheOS.2.WriteaC programandsaveitwitha.cppextension.3.Compiletheprogramusingg hello.cpp-ohellotogenerateanexecutable.4.Runtheexecutablewith./helloonLinux/macOSorhello.exeonWi

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Custom ???? ???? C ????? ??? ?? ??? ?? ? ? ????. 1. ??? LoggingAllocator? ??, ??, ?? ? ??? ?????? ??? ?? ??? ?????. 2. ???? STL ???? ?? ?? ?? ??? ????? ?? value_type ? Rebind ???? ???????. 3. ???? ?? ? ?? ?? ?? ??? ?????, ?? ????? ????? ?????. 4. ?? ???????? ??? ?, ?? ???, ??? ?? ? ???? ???? ?????. 5. C 17 ??? ?? ? ??? ????? std :: allocator_traits? ?? ?? ? ? ????.

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STD :: SYSTEM () ??? ???? System ??? ???? System ??? ???? STD :: SYSTEM ( "LS-L")? ?? C ??? ??? ??? ?????? ?? ?? -1??? ?? ????? ??? ? ????.

CMake? C ????? ???? ??? ?????? CMake? C ????? ???? ??? ?????? Sep 18, 2025 am 01:04 AM

cmakelists.txt, src/? ??? ???? ???? ??? ????/; 2. cmakelists.txt ??, cmake ??, ???? ??, c ?? ? ?? ?? ??? ??????. 3. mkdirbuild? ???? ????? ???? cmake .. ? cmake-??? ??????. ???? ??; 4. Add_Executable? ?? ?? ?? ??? ???? Target_include_Directories? ???? ?? ?? ??? ?????. 5. find_package? ???? ?? ?????? ?? target_link_libraries? ??????. 6.

c?? ?? ?? ?? c?? ?? ?? ?? Sep 21, 2025 am 05:16 AM

C? ??? STL? ???? ??????. ?? ?? ??? ??? ????? ?? ??? ???????. ??? ??? ????, ?? ?? ??? ????, ?? ??? ??? ??????. ?? ?? ?? ?? ? ? ??? ?? ????? ?? ???? ? ? ??? ??????.

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theautokeywordletstheCompilerDuceVariAbletypesfrominitializers, retingverbosity and rowingimprovingmainability.itsimplifiescodewithcomplextypes liTeratorsandlambdas, supportSqualifierstoavoidunnecessaryCopies, andAdaUtomallasticallasticallasticallasticcopies

c c Sep 20, 2025 am 01:13 AM

?? ??? ?? ?? ? ??? ?? ? ???? ???? ????. ??, value_type, ??, ???, Different_type ? iterator_category? ?? ? ?? Dereference, ycrement ? ?? ??? ??????. ?????, ????? ?? () ? end () ???? ???? ??? ????? ???? STL ???? ? ??? ??? ?????.

c?? ?? ??? ??? ?? c?? ?? ??? ??? ?? Sep 19, 2025 am 05:24 AM

AstaticVariableinc? indainsvaluebetsweenfunctioncallsandisinitializedonce.2.insideafunction, itpreservesstateacrosscalls, suchascountingiterations.3.inaclass, itissharedamongallinstancesand mustedefinedoupedoutsideclasstoavoidingerrors.4.4

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