Strictly speaking, only one.
However, a trick many programmers use is to have the function create "side effects" by changing the value of its arguments as well as returning a value. A pseudocode example might be something like a file-existence checker. It would be a boolean function that returns TRUE if the file exists and FALSE if it doesn't. However, depending on the language used it could also modify its arguments so they provided the file's size and record type if it exists. For example: if bFileExists (cFileName, iFileSize, iRecType) then {do something with iFileSize ...}
Yes, a function in Python can return more than one value by using tuples, lists, or dictionaries. When multiple values are returned, they are typically packed into a tuple by default, which can then be unpacked by the caller. For example, a function can return two values like this: return value1, value2. The caller can capture these values using multiple assignment, such as a, b = my_function().
No, you can only return one value with a return statement. However, you can return a structure or pointer, so the real answer is yes, though requiring some added complexity.
The return statement is used in functions to return control to the caller. If the function is declared non-void, the return statement also allows the programmer to return a value to the caller.
Yes, there is no limit.
Void means there is no data type. So if you have a void function it does not return a value (and attempting to do so will cause an error) whereas a non-void function (ex. int, long, String, bool, etc) will return a value of that type.
It's by design.
Yes, a function in Python can return more than one value by using tuples, lists, or dictionaries. When multiple values are returned, they are typically packed into a tuple by default, which can then be unpacked by the caller. For example, a function can return two values like this: return value1, value2. The caller can capture these values using multiple assignment, such as a, b = my_function().
To point with. 1. To manipulate parts of an array. 2. To return more than value from a function.
No, you can only return one value with a return statement. However, you can return a structure or pointer, so the real answer is yes, though requiring some added complexity.
The return statement is used in functions to return control to the caller. If the function is declared non-void, the return statement also allows the programmer to return a value to the caller.
Yes, there is no limit.
A function in which each y-value has more than one corresponding x-value is not considered a function in mathematical terms. This is because, by definition, a function assigns exactly one output (y-value) for each input (x-value). When a single y-value is associated with multiple x-values, it creates a relation rather than a function. In such cases, the relationship can be described as a multivalued function or a relation, but it does not meet the criteria of a function.
No. One argument of function may have only one value. So, if it has more than one value, it is not a function.
It's not so much a need but a requirement. Every C function must contain at least one return statement, typically at the end of the function body (before the closing brace). However, a C function may have more than one return path, and each requires its own return statement. Note that it does not matter whether the function returns a value or not; even a function that returns void must have a return statement. In C++ the rules regarding return statements are more relaxed. Functions that return void do not require a return statement at all; when execution reaches the closing brace of a void function, a return statement is implied. All functions that return a value of any type other than void must have a return statement. The one exception to this rule is the global main function which must always return an int. If the global main function has no return statement then the value 0 is implicitly returned to the calling environment (the value 0 is typically used to indicate no error). However, if we need to return other values (including 0), then we must include a return statement. Functions that have multiple return paths are considered poor style and should be avoided. Functions are generally much easier to read and maintain when there is only one return path which should logically terminate at the very end of the function. However, eliminating multiple return paths can also produce more efficient machine code, particularly in functions with highly complex return paths. Eliminating multiple return paths needn't be difficult, we simply need to refactor the function such that each unique return path is representing by some function which returns the appropriate value. The calling function simply stores that value and returns it at the end of the function, thus simplifying the overall complexity of the calling function. Refactoring complex functions into smaller, simpler function calls is good style in and of itself; well-named, descriptive function calls result in code that is largely self-documenting and thus more abstract. Although function calls are themselves expensive, small and simple functions can be easily inline-expanded by the compiler's optimisers, so it's a win-win.
A function is an equation (a relation) which has only one y-value for every x-value. If a single x-value has more than one y-value, the equation is no longer called a function.
Void means there is no data type. So if you have a void function it does not return a value (and attempting to do so will cause an error) whereas a non-void function (ex. int, long, String, bool, etc) will return a value of that type.
The Heaviside function is a discontinuous step function. It is 0 for all values less than some specific value. At and after that value, it takes the value 1. The Heaviside function can be used to represent an "Off-On" function.See link for more.The Heaviside function is a discontinuous step function. It is 0 for all values less than some specific value. At and after that value, it takes the value 1. The Heaviside function can be used to represent an "Off-On" function.See link for more.The Heaviside function is a discontinuous step function. It is 0 for all values less than some specific value. At and after that value, it takes the value 1. The Heaviside function can be used to represent an "Off-On" function.See link for more.The Heaviside function is a discontinuous step function. It is 0 for all values less than some specific value. At and after that value, it takes the value 1. The Heaviside function can be used to represent an "Off-On" function.See link for more.