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c++arraysfunction-pointersdeclaration

How to declare an array of functions?

Suppose I want to declare an array of functions, and try the following

int (*funcs)(int, int)[10];

But turns out that the following declaration stands for an function returning an array, which does not compile.

How can I declare an array of functions properly?

Solution

  • Strictly speaking you may not declare an array of functions. You may declare an array of function pointers.

    It seems you mean

    int (*funcs[10])(int, int);

    Another way is to introduce a using declaration (or a typedef declaration) like for example

    using FP = int( * )( int, int );

FP funcs[10];

    or

    using FUNC = int ( int, int );

FUNC * funcs[10];