[erlang-questions] Why should you ever use atoms?
Mon Oct 12 01:13:05 CEST 2015
I understood for the most part how to use atoms and what they were used
for, I was just curious what technical advantages they had over a string
(or binary string) considering that they aren't garbage collected. The
O(1) comparison is a valid enough reason that I hadn't thought about,
and the idea that they are limited by design actually kind of makes
On 10/11/2015 05:27 PM, Max Lapshin wrote:
> You can think about atoms as of a predefined words of your domain logic.
> Each domain description has a limited amount of words that describe
> it, so number of atoms is also limited by design.
> In a properly designed program you should never meet dynamic creation
> by list_to_atom, only if you know that it is a
> string representation of already described atom.
> In other words, atoms are always written by hands by some human as a
> part of described functionality.
> Maybe this will help you.
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