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All the Perl that's Practical to Extract and Report

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  • Smalltalk:

    anArray insert: anObject at: 5

    Objectionable C:

    [array insertObject: object at: 5]

    Quite cute really. Makes it a lot easier to use simple type suggesting variable names 'cos they're not having to do double duty to describe what they're for as well as what they are.
    • I don't understand your final point about variable names. Could you expand on it?

      Someone once suggested to me it was nice that Obj-C was nice because it showed you very clearly what parts were method calls, and what parts were just regular C code. I'm not sold on that yet, as I don't really have a problem with that in other languages. But my mind is open on it, and the OS X tools are nice enough that it won't sway me either way.
      • Consider a Smalltalk method declaration

        OrderedCollection at: anInteger put: anObject

        The method selector tells you what each argument is for, the parameter name tells you what it is. Actually, good Smalltalk style is to only use type suggesting variable names for method argument names. The method body that I lifted the above from, for instance, continues:

          | index |
          index := anInteger asInteger.

        | index | is Smalltalk for my $index. Note that there's an assumption in the implementation that th