lazy a écrit : > Hi, > > I want to pass a string by reference. I understand that strings are > immutable, but Im not > going to change the string in the function, just to aviod the overhead > of copying(when pass-by-value) because the > strings are long and this function will be called over and over > again.
Once again : in Python, "variables" are just name=>ref pairs in a namespace. The concepts of "pass by ref" or pass by val" are meaningless here. Args passed to a function *are* references to objects - Python doesn't copy objects unless explicitelly asked to. > I initially thought of breaking the strings into list and passing the > list instead, but I think there should be an efficient way. A typical case of premature "optimization" !-) > So is there a way to pass a const reference to a string? Yes : be lazy, and don't worry about that. -- http://mail.python.org/mailman/listinfo/python-list
