In object-oriented languages, function object (also known as functor) is a feature that allows objects to be used like if they were ordinary functions.
Questions tagged [function-object]
168 questions
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votes
2 answers
How to invoke any swift function conditionally (without if block)
I want to write a general-purpose Swift function that serves the following simple purpose:
Take any function as argument
Take a Bool argument
If the bool argument is TRUE, invoke the input function with its args. Otherwise No-op.
The purpose is to…
Nirav Bhatt
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votes
1 answer
a call to template-function - is it legal?
I have a template function (generic func to find the minimum), which look's like that:
template
int findmin(const T* a, int n, Func less){
//...
}
and a call:
int smallest_matrix(const Matrix*a, int n){
return…
KittyT2016
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-8
votes
1 answer
Why are function objects better than function pointers?
from Wikipedia - Function object
A typical use of a function object is in writing callback functions. A callback in procedural languages, such as C, may be performed by using function pointers.[2] However it can be difficult or awkward to pass a…
JPH
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