Regarding std.array.Appender

[John Colvin via Digitalmars-d-learn]

On Tuesday, 13 October 2015 at 13:21:54 UTC, Suliman wrote:
> I tried to use map! but it's look like it do not work with 
> string, becouse I got error: Error: no property 'map' for type 
> 'ByLine!(char, char)'

I suspect you don't have it imported.

import std.algorithm;

or

import std.algorithm : map;