On 12/19/18 3:20 AM, Andrey wrote:
Hi,
I have got this code:
import std.array : array;
import std.algorithm.mutation;
import std.algorithm.iteration;
import std.stdio;
void main()
{
string input = "sieviaghp";
enum data = ["emo", "emoze", "emow", "emuo", "evuo", "ete", "ie",
"vuo", "sie", "w"];
enum index = 3;
enum filtered = data.filter!(value => value.length > index).array();
pragma(msg, filtered);
enum GetSeq = filtered.chunkBy!((first, second) => first[index] ==
second[index]);//.array();
pragma(msg, GetSeq);
}
There is an array of strings. I filter it using length of each element.
Result should be:
["emoze", "emow", "emuo", "evuo"]
Then I want to chuck it using symbol at position 'index' to get this:
["emoze"] // group 1, symbol 'z'
["emow"] // group 2, symbol 'w'
["emuo", "evuo"] // group 1, symbol 'o'
Everything I'm doing at COMPILE time!
But when I try to build program I get this strange error:
/dlang/dmd/linux/bin64/../../src/druntime/import/core/memory.d(827):
Error: `fakePureErrno` cannot be interpreted at compile time, because
it has no available source code
onlineapp.d(15): compile time context created here
Probably because it's using RefCounted.
Looking at the code for chunkBy, it seems to me that the implementation
is quite complex for what in my head should be a simple wrapper...
-Steve
