Table of Contents
What is a function with no argument and return value?
Function with no argument and no return value: When a function has no arguments, it does not receive any data from the calling function. Similarly, when it does not return a value, the calling function does not receive any data from the called function.
What is a function without return value?
A function without a return statement will return a default value. In the case of a constructor called with the new keyword, the default value is the value of its this parameter. For all other functions, the default return value is undefined .
Can a function be called without arguments?
You can use a default argument in Python if you wish to call your function without passing parameters. The function parameter takes the default value if the parameter is not supplied during the function call.
What happens if the function is called with no arguments given?
The C specification says that a function declared without any argument (not even a void argument) takes an unspecified number of arguments. If you want to explicitly say that a function takes no arguments, you need to specify a single void argument type without a name.
Which function has no argument in Excel?
In Excel, we have functions with no argument such as PI(), RAND(), NOW().
Can we write function without return type in C?
In C there are no subroutines, only functions, but functions are not required to return a value. The correct way to indicate that a function does not return a value is to use the return type “void”.
How do you declare a function without a parameter?
C static code analysis: Functions without parameters should be declared with parameter type “void”
What is the default return value of a function without a return statement?
If no return statement appears in a function definition, control automatically returns to the calling function after the last statement of the called function is executed. In this case, the return value of the called function is undefined.
How do you call a function without parameters?
In C, use void no_args(void) to declare a function that truly takes no parameters (and returns nothing).
Which of the following functions takes no arguments?
A nullary or niladic function.
Do all functions require an argument?
Note most arguments are required, but some are optional. In Excel, optional arguments are denoted with square brackets. For example, the fourth argument in VLOOKUP function, range_lookup, is optional and appears in square brackets as shown above.
Do functions always return values?
Yes it always returns a value, if explicit one is not given, it returns undefined .
What is the difference between function without parameter and a function with parameter?
A function with argument, as in function(something) is to return a value after processing within the function. A function with no argument, eg function(), is to perform a task with no value returned. In this case, the function acts like a procedure.
Can we write a function without return type?
Void functions are created and used just like value-returning functions except they do not return a value after the function executes. In lieu of a data type, void functions use the keyword “void.” A void function performs a task, and then control returns back to the caller–but, it does not return a value.
Can we use return in void function?
A void function can return A void function cannot return any values. But we can use the return statement. It indicates that the function is terminated.
What is a function with arguments but no return value?
Function with arguments but no return value : When a function has arguments, it receive any data from the calling function but it returns no values. Syntax : Function declaration : void function ( int ); Function call : function( x ); Function definition: void function( int x ) { statements; }
Can a function be called without arguments in C?
A function in C can be called either with arguments or without arguments. These function may or may not return values to the calling functions. All C functions can be called either with arguments or without arguments in a C program. Also, they may or may not return any values.
What is the general syntax of a function which returns value?
The general syntax of a function which returns value is: f1 denotes the name of the function and type denotes the type of the value returned by the function to the calling function. Type may be int, float, char etc. In this case, the return statement is followed by a value. A function with return value mayor may not have arguments.
Which function returns the value sum of an int type?
Following is an example of a function which returns an int type of value. This function show (int a, int b) returns the value sum of int type to the calling program. Prototype for the function show () mentioned above is given in the main () function as follows :