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Linguagem C + +
Tópicos gerais
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General topics
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Controle de fluxo
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Flow control
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Declarações execução condicional
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Conditional execution statements
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Instruções de iteração
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Iteration statements
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Ir declarações
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Jump statements
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Funções
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Functions
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declaração da função
lambda declaração da função
modelo de função
linha especificador
especificações de exceção (obsoleta)
noexcept especificador (C++11)
Exceções
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Exceptions
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Namespaces
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Namespaces
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Tipos
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Types
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decltype specifier (C++11)
Especificadores
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Specifiers
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cv especificadores
armazenamento duração especificadores
constexpr especificador (C++11)
auto especificador (C++11)
alignas especificador (C++11)
Inicialização
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Initialization
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Literais
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Literals
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Expressões
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Expressions
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representações alternativas
Utilitários
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Utilities
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Tipos
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Types
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typedef declaration
tipo de alias declaração (C++11)
atributos (C++11)
Conversões
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Casts
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conversões implícitas
const_cast conversion
static_cast conversion
dynamic_cast conversion
reinterpret_cast conversion
Elenco C-estilo e funcional
Alocação de memória
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Memory allocation
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Classes
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Classes
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Classe propriedades específicas de função
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Class-specific function properties
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Funções membro especiais
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Special member functions
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Modelos
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Templates
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modelo de classe
modelo de função
especialização de modelo
pacotes de parâmetros (C++11)
Diversos
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Miscellaneous
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Assembly embutido
 
Comentários servir como uma espécie de código de documentação. Quando inserido num programa, que estão efectivamente ignorado pelo compilador, que são exclusivamente destinados a ser utilizados como notas pelos seres humanos que lêem o código fonte. Embora a documentação específica não é parte do padrão C + +, existem várias utilidades que os comentários de análise com diferentes formatos de documentação.
Original:
Comments serve as a sort of in-code documentation. When inserted into a program, they are effectively ignored by the compiler; they are solely intended to be used as notes by the humans that read source code. Although specific documentation is not part of the C++ standard, several utilities exist that parse comments with different documentation formats.
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Índice

[editar] Sintaxe

/* comment */ (1)
// comment\n (2)
1)
Muitas vezes conhecido como "estilo C" ou "multi-linha", comenta.
Original:
Often known as "C-style" or "multi-line" comments.
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2)
Muitas vezes conhecido como "estilo C + +" ou "linha única", comenta.
Original:
Often known as "C++-style" or "single-line" comments.
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[editar] C-estilo

Estilo C observações são normalmente utilizados para comentar grandes blocos de texto, no entanto, eles podem ser usados ​​para comentar linhas únicas. Para inserir um comentário no estilo C, simplesmente cercar o texto com /* e */; isso fará com que o conteúdo do comentário a ser ignorado pelo compilador. Embora não seja parte do padrão C + +, e /** */ são muitas vezes usados ​​para indicar blocos de documentação, o que é legal porque o asterisco segunda é simplesmente tratado como parte do comentário. C estilo de comentários não podem ser aninhadas.
Original:
C-style comments are usually used to comment large blocks of text, however, they can be used to comment single lines. To insert a C-style comment, simply surround text with /* and */; this will cause the contents of the comment to be ignored by the compiler. Although it is not part of the C++ standard, /** and */ are often used to indicate documentation blocks; this is legal because the second asterisk is simply treated as part of the comment. C-style comments cannot be nested.
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Estilo C observações são muitas vezes preferidos em ambientes em que C e C + + código pode ser misturado, porque são a única forma de comentário, que pode ser usada no padrão C (antes de C99).
Original:
C-style comments are often preferred in environments where C and C++ code may be mixed, because they are the only form of comment that can be used in the C standard (prior to C99).
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[editar] C + + estilo

C-estilo comentários são geralmente usados ​​para comentar linhas simples, no entanto, vários C + + estilo comentários podem ser colocados juntos para formar multi-line comentários. C + + estilo de comentários ao compilador para ignorar todo o conteúdo entre // e uma nova linha, o que os torna muito útil.
Original:
C-style comments are usually used to to comment single lines, however, multiple C++-style comments can be placed together to form multi-line comments. C++-style comments tell the compiler to ignore all content between // and a new line, which makes them very useful.
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[editar] Exemplo

/* C-style comments can contain
multiple lines */
/* or just one */
 
// C++-style comments can comment one line
 
// or, they can
// be strung together
 
int main()
{
  // The below code won't be run
  // return 1;
 
  // The below code will be run
  return 0;
}