On 06/23/2012 11:44 AM, simendsjo wrote:
On Sat, 23 Jun 2012 17:39:55 +0200, Chad J
<chadjoan@__spam.is.bad__gmail.com> wrote:
On 06/23/2012 11:31 AM, simendsjo wrote:
On Sat, 23 Jun 2012 17:19:59 +0200, Chad J
<chadjoan@__spam.is.bad__gmail.com> wrote:
http://dlang.org/phobos/std_array.html#splitter
The first thing I don't understand is why splitter is in /std.array/
and yet only works on /strings/. It is defined > in terms of
whitespace, and I don't understand how whitespace is well-defined for
things besides text. Why wouldn't > it be in std.string?
See http://dlang.org/phobos/std_algorithm.html#splitter
I would expect these functions to exist:
auto getHead(C)(C[] s, C[] delim, ref C[] tail);
auto getHead(C)(C[] s, C[] delim);
auto getTail(C)(C[] s, C[] delim);
As head is simply splitter(..)[0] and tail splitter(...)[1..$], extra
functions could be implemented much like this
@property T head(T[] arr) { return arr.front; }
@property T[] tail(T[] arr) { return arr[1..$]; }
..and UFCS takes care of the rest:
auto fields = splitter(...);
auto head = fields.head;
auto tail = fields.tail;
But I don't want tail as an array. Assume that arr is HUGE and
scanning the rest of it is a bad idea. join(arr[1..$]) then becomes a
slow operation: O(n) when I could have O(1).
Looking for findSplit? http://dlang.org/phobos/std_algorithm.html#findSplit
Cool, that's what I want!
Now if I could find the elegant way to remove exactly one line from the
text without scanning the text after it...
