On Friday, 5 June 2015 at 07:53:52 UTC, Ralf the Bat wrote:
Probably a stupid question, but how do I find the length of each dimension in a multidimensional array?
I slightly modified the function deepDup, who came up Ali Çehreli :)
http://beta.forum.dlang.org/post/mihl6m$1che$1...@digitalmars.com import std.stdio, std.traits, std.range, std.algorithm; auto deepLen(A)(A arr) if (isArray!A) { writefln("%s.len = %s", arr, arr.length); static if (isArray!(ElementType!A)) { return arr.map!(a => a.deepLen).array; } else { return arr; } } void main() { auto arr = [[[[[1, 2, 3, 4], [0]], [[4, 3], [5, 6, 7]]]]]; arr.deepLen; } [[[[[1, 2, 3, 4], [0]], [[4, 3], [5, 6, 7]]]]].len = 1 [[[[1, 2, 3, 4], [0]], [[4, 3], [5, 6, 7]]]].len = 1 [[[1, 2, 3, 4], [0]], [[4, 3], [5, 6, 7]]].len = 2 [[1, 2, 3, 4], [0]].len = 2 [1, 2, 3, 4].len = 4 [0].len = 1 [[4, 3], [5, 6, 7]].len = 2 [4, 3].len = 2 [5, 6, 7].len = 3