Introduction
When you call a function, you can pass arguments to it. These arguments are assigned to the function’s parameters in the order in which they are passed. If you don’t pass enough arguments, the remaining parameters will be undefined. If you pass too many arguments, the extra arguments are ignored.
What is a function call?
A function call is a request for the function to execute its code. When you make a function call, you specify the name of the function to be executed, followed by any arguments required by the function. The function then carries out its instructions and returns a value (if required).
What is an argument list?
In computer programming, an argument list is a comma-delimited list of expressions evaluated when a function or subroutine is invoked. The argument list typically contains the name of the function being invoked followed by zero or more arguments. A function can have any number of arguments, although most functions have between one and three arguments.
When a function is invoked, the arguments are evaluated from left to right and passed to the function. The function then performs its calculation and returns a value (if it is a function) or executes some code (if it is a subroutine).
Argument lists are often enclosed in parentheses, although this is not always the case. When an argument list is not enclosed in parentheses, it is sometimes called an unparenthesized argument list.
Why is a function call missing an argument list?
There are a few reasons why a function call might be missing an argument list. The most common reason is that the function declaration is missing an argument list. In this case, the compiler will generate an error when it encounters the function call without an argument list.
Another reason why a function call might be missing an argument list is if the called function is declared with a variable number of arguments (varargs). In this case, the compiler will accept the call without an argument list. However, if the called function is not declared with a variable number of arguments, then the compiler will generate an error.
If you are sure that the called function is declared correctly, then there might be a problem with your program’s linkage. If your program is linked with a library that contains a function with the same name but a different declaration, then your program will use the wrong function. This can cause all sorts of strange errors, including missing argument lists. To fix this problem, you need to recompile your program with the correct library files.
How to fix a function call missing an argument list?
If you get a compiler error saying “function call missing argument list,” it means that you have forgotten to include the parentheses after the function name when you call the function.
To fix this, simply add the parentheses after the function name, and make sure to include any arguments that the function requires within the parentheses. For example, if you have a function named “foo” that takes two arguments, you would call it like this:
foo(10, 20);
Conclusion
A function call is missing an argument list if the number of arguments in the list doesn’t match the number of parameters in the function’s parameter list. This can happen in a couple of ways:
-If you forget to include an empty set of parentheses () after the function name, then no argument list is supplied at all, and any parameters in the function’s parameter list are left uninitialized.
-If you forget to include the required number of arguments in the parentheses, then some parameters in the function’s parameter list are left uninitialized.
-If you include too many arguments in the parentheses, then the extra arguments are ignored.