What is the difference between python higher order functions and C language function pointers?
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Python higher-order function: pass a function as an argument.
C language function pointer: pass in the function pointer as an argument, and the function pointer is also the basis of the polymorphic realization of C language.
We can see that they do have something in common. Let's take a look at the code of the two to accomplish the same function.
Python:
Def sub (aformab):
Return a Murb
Def test (a _
Return c (afort b)
A=test (2, 1, 1, sub)
Print (a)
C:
# include
Typedef int (* f) (int, int)
Int sub (int a pencil int b)
{
Return a Murb
}
Int test (int a _ line int b _ r f c)
{
Return (* c) (aPerm b)
}
Int main (void)
{
Printf ("% d\ n", test (2)
}
In fact, the test function takes the sub function as an argument, and then the main function calls the test function to complete a subtraction.
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