I see some code like:
r.NotFoundHandler =http.HandlerFunc(notfound)
Where notfound() has the signature of
func notfound(w http.ResponseWriter, r *http.Request)
What is HandlerFunc() doing? It’s not a function. Is it some sort of type
coercion or casting?
I can see how casting that might work with simple values (e.g.numbers,integers,
etc) but functions?
The web docs say:
The HandlerFunc type is an adapter to allow the use of ordinary functions
as HTTP handlers. If f is a function with the appropriate signature,
HandlerFunc(f) is a Handler that calls f.
If notfound() is ' func notfound(w http.ResponseWriter, r *http.Request)’, what
is it being converted into?
Why is this needed?
Thanks,
Joe
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