functions which take functions

[Kiuhnm]

On 4/12/2012 8:07, Tim Roberts wrote:
> Kiuhnm<kiuhnm03.4t.yahoo.it>  wrote:
>>
>> That won't do. A good example is when you pass a function to re.sub, for
>> instance.
>
> This is an odd request.

All shall be revealed :)

>
> I often pass functions to functions in order to simulate a C switch
> statement, such as in a language translator:
>
>    commands = {
>      'add': doAdd,
>      'subtract' : doSubtract,
>      'multiply' : doMultiply,
>      'divide' : doDivide
>    }
>
>    nextCommand = parseCommandLine( line )
>    invokeCommand( commands[NextCommand] )

I like that very much. Thank you.

Kiuhnm