A symbol is like a string, except that all symbols with the same value are in fact the same object; that is, every #hello symbol is the exact same object as every other #hello symbol.
See "identically equal" section here... http://sdmeta.gforge.inria.fr/FreeBooks/ByExample/08%20-%20Chapter%206%20-%20Special%20Symbol.pdf cheers, ben On Fri, Apr 8, 2016 at 7:20 AM, Valentin Ryckewaert <valentin.ryckewa...@gmail.com> wrote: > Hello everyone, > > i'm learning Pharo and i'm having difficulties to understand the symbols, > what are they? How are they different of the ByteString ? Why are they > usefull ? > Why should I put #string where I can put 'string' ? > > Thanks in advance for your answer. > Valentin Ryckewaert
