What is Expressiveness in a Computer Language

Torben Ægidius Mogensen torbenm at app-1.diku.dk
Fri Jun 16 13:53:10 CEST 2006


"Rob Thorpe" <robert.thorpe at antenova.com> writes:

> Torben Ægidius Mogensen wrote:

> > That's the point: Bugs that in dynamically typed languages would
> > require testing to find are found by the compiler in a statically
> > typed language.  So whil eit may take onger to get a program thatgets
> > past the compiler, it takes less time to get a program that works.
> 
> In my experience the opposite is true for many programs.
> Having to actually know the precise type of every variable while
> writing the program is not necessary, it's a detail often not relevant
> to the core problem. The language should be able to take care of
> itself.
> 
> In complex routines it can be useful for the programmer to give types
> and for the compiler to issue errors when they are contradicted.  But
> for most routines it's just an unnecessary chore that the compiler
> forces on the programmer.

Indeed.  So use a language with type inference.

        Torben




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