std.array oddness

ketmar via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Fri Dec 12 22:40:28 PST 2014


On Sat, 13 Dec 2014 05:15:08 +0000
earthfront via Digitalmars-d-learn <digitalmars-d-learn at puremagic.com>
wrote:

> Am I using array incorrectly?
no, you are using `.byLine` incorrectly. ;-) `.byLine` reuses it's
internal buffer for each line, so you have to copy that buffer. like
this:

  import std.array, std.stdio;

  void main () {
    // Converting to "array" borks the thing
    import std.algorithm : map;
    auto names = File("names.txt")
        .byLine!(char,char)(KeepTerminator.no, ',')
        .map!"a.idup"
        .array;

    foreach (name; names) writeln(name);
  }
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