Re: Multidimensional dynamic array of strings initialized with split()

[Ludovit Lucenic via Digitalmars-d-learn]

On Thursday, 5 September 2013 at 16:22:46 UTC, Ali Çehreli wrote:

Compiling with "DMD64 D Compiler v2.064-devel-52cc287" produces 
the following errors:

* You had byLines in your original code as well. Shouldn't it 
be byLine?

* You are missing the closing brace of the foreach loop as well.

* "Error: cannot append type char[][] to type string[][]" I 
have to replace .dup with .idup

Thank you for pointing out the errors, Ali.
I have updated the example.


The following version is lazy:

import std.stdio;
import std.array;
import std.algorithm;

auto readInData(File inputFile, string fieldSeparator)
{
    return
        inputFile
        .byLine
        .map!(line => line
                      .idup
                      .split("\t"));
}

The caller can either use the result lazily:

import std.range;

void main()
{
    auto file = File("deneme.txt");
    writeln(readInData(file, "\t").take(2));
}

Or call .array on the result to consume the range eagerly:

    auto table = readInData(file, "\t").array;

Ali

Thank you for the alternative approaches. This thread is linked 
from Credits section, if someone wants to find out more on the 
topic from the wiki.