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I've been thinking a bit lately about the language features that I find indispensible: that is, if I'm hacking about in a language that doesn't have one of these, I either implement it right away, if possible, or miss it terribly and grumble about its absence. My "must-have" feature list is, in part:
It's interesting (although not too surprising) to me that my list of must-have features has changed so much in the past few years: back then, I'd probably have listed such low-level arcana as predictable memory layouts and pointer arithmetic. Back then, though, I was doing a lot of bare-metal C hacking; these days, I'm much more interested in functional programming. It's admirable that Perl gives me what I want, and usually with at most as much fuss as any other language would (although sub {...} for lambdas is a bit verbose). -- In reply to Indispensible language features by FoxtrotUniform
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