Identifiers is an actively used design pattern. In computer science, identifiers (IDs) are lexical tokens that name entities. Identifiers are used extensively in virtually all information processing systems. Identifying entities makes it possible to refer to them, which is essential for any kind of symbolic processing.

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Languages with Identifiers include ini, ion, javascript, lua, php, python

Example from ini:

[branch "master"]
remote = origin
merge = refs/heads/master

Example from ion:

// A subset of symbols called identifiers can be denoted in text without single-quotes. 

Example from javascript:

var name = "John"

Example from php:

$name = "John"

Example from python:

name = "John"

Last updated August 9th, 2020

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