Am 19.07.2012 16:21, schrieb Petr Janda:
Hi,
I'm an occasional lurker on the D forums just to see where the language
is going,but I'm a little puzzled. In another thread I found this code
auto r = [5, 3, 5, 6, 8].sort.uniq.map!(x => x.to!string);
I don't understand whats going on here. Int array is getting sorted,
then Uniqued, then what? What type is x? What kind of operator is =>,
why is x.to!string allowed template specialization should say
x.to!(string), which leads me to think that there are multiple syntaxes
for things(why I hate dynamic languages, love compiled)
On another note, (copied from wikipedia)
foreach(item; set) {
// do something to item
}
what's with the lax syntax being allowed? Shouldn't it be at least
specified "auto item"?
I'm sorry I don't mean to be a criticizer, but it seems to me that D is
trying to be a dynamic-like compiled language way too hard.
=> → New Lambda Syntax
.sort.uniq.map(…) → UFCS (Uniform Function Call Syntax, iirc)
Array gets sorted, then doubles are removed (uniq) and then everything
is converted to a string (map).
Everything was recently introduced around 2.059.
