Design of intuitive interfaces

[Michel Fortin]

On 2010-02-21 10:19:06 -0500, bearophile <bearophileHUGS at lycos.com> said:

> Michel Fortin:
>> 	array.sort(predicate)     // sort in place using predicate
>> 	array.sorted(predicate)   // create sorted copy using predicate
>> 	array.isSorted(predicate) // tell if the array is sorted using predicate
> 
> Good.
> 
> Another possibility is to let D2 accept ? and ! too inside variable 
> names, so they can become (as in Ruby I think, and something similar is 
> common in Lisp-like languages too):
> array.sort(predicate)
> array.sort!(predicate); // void function
> array.sorted?(predicate)

Note that Ruby only accept this as a suffix, but yeah it's part of the 
identifier.

And I'd love this, but the ! suffix is totally ambiguous with the 
template instantiation syntax, and the ? suffix would be ambiguous in 
the ternary operator "?:".

-- 
Michel Fortin
michel.fortin at michelf.com
http://michelf.com/