Viewing profile — a_strange_guy
a_strange_guy
HN member- Joined
- Sat, Jan 01, 2011, 11:19 PM UTC
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- 13
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- 10 items
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About a_strange_guy
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Recent public activity
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Comment #3446222
I thought we were talking about "adding methods" to collection-like things so that they look as if they were built-in. And this was what the article was about: That it gets complex…
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Comment #3445274
I'm not Parent, but I think that this is his implementation: https://github.com/nickik/Persistent-Vector-in-Dylan/blob/ma... The last part (line 222+) is what defines it as a seque…
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Comment #3445130
Well that is the beauty of it. In Scala methods/functions that come after the dot are privileged. In a language with multiple dispatch they are not. So CL solves the problem withou…
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Comment #2792826
Of those Languages you listed, many don't have implemented function closures correctly. Python doesn't allow you to mutate variables from enclosing scopes (by default, at least). R…
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Comment #2753057
this: func global(some_arg_to_close_over Bar) { func walk_tree(node Node) { ... walk_tree(left(node)) walk_tree(right(node)) } walk_tree(something) }
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Comment #2748558
This is what they want: func outer(a int) { func inner_helper(b int) { ... } } Pascal allowed nested functions 40 years ago...
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Comment #2748529
(1) MLs allow to nest named functions. Go only allows named global functions, and lacks a feature that Pascal had. (2) Someone has to do cleanup anyhow. Either the caller or callee…
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Comment #2648284
Scala is actually a really bad name for trying to google it. http://en.wikipedia.org/wiki/Scala
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Comment #2648280
You don't typecheck macros since they run at compile time. You typecheck the expanded code instead.
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Comment #2058831
What I still don't get is why inheritance in OO-languages is always the heavyweight version, namely subclassing. Imho every class definition in Java-like OO languages should create…