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- Default_argument abstract "In computer programming, a default argument is an argument to a function that a programmer is not required to specify.In most programming languages, functions may take one or more arguments. Usually, each argument must be specified in full (this is the case in the C programming language).Later languages (for example, in C++) allow the programmer to specify default arguments that always have a value, even if one is not specified when calling the function. For example, in the following function declaration:This function takes three arguments, of which the last one has a default of twelve. The programmer may call this function in two ways:In the first case the value for the argument called c is specified as normal. In the second case, the argument is omitted, and the default value of 12 will be used instead.There is no means to know if the argument has been specified by the caller or if the default value was used.The above mentioned method is especially useful when one wants to set default criteria so that the function can be called with or without parameters.Consider the following:The function call:will by default print input from the keyboard to the screen. As this is the most commonly used behaviour it makes sense not to specifyon the other hand any parameter of type istream can now be passed to the same function and the function will print to screen from the source specified as the parameter to the function.Consider:where fileName is a file that has been opened to read via ifstream's open function call.".
- Default_argument wikiPageID "330297".
- Default_argument wikiPageRevisionID "603185538".
- Default_argument hasPhotoCollection Default_argument.
- Default_argument subject Category:Subroutines.
- Default_argument type Abstraction100002137.
- Default_argument type Code106355894.
- Default_argument type CodingSystem106353757.
- Default_argument type Communication100033020.
- Default_argument type Routine106582403.
- Default_argument type Software106566077.
- Default_argument type Subroutines.
- Default_argument type Writing106359877.
- Default_argument type WrittenCommunication106349220.
- Default_argument comment "In computer programming, a default argument is an argument to a function that a programmer is not required to specify.In most programming languages, functions may take one or more arguments. Usually, each argument must be specified in full (this is the case in the C programming language).Later languages (for example, in C++) allow the programmer to specify default arguments that always have a value, even if one is not specified when calling the function.".
- Default_argument label "Argument domyślny".
- Default_argument label "Default argument".
- Default_argument label "Standaardargument".
- Default_argument sameAs Standaardargument.
- Default_argument sameAs Argument_domyślny.
- Default_argument sameAs m.01wtx2.
- Default_argument sameAs Q5251085.
- Default_argument sameAs Q5251085.
- Default_argument sameAs Default_argument.
- Default_argument wasDerivedFrom Default_argument?oldid=603185538.
- Default_argument isPrimaryTopicOf Default_argument.