Example of non odr-used variable defined in the program
5641
What does it mean to "ODR-use" something?
24193
"application: not a procedure" in binary arithmetic procedures
90061
Using var outside of a method
102015
Variable assigned to the last executed line?
38162
What's the use/meaning of the @ character in variable names in C#?
8785
Are delphi variables initialized with a value by default?
28276
Reference type variable recycling - is a new reference variable created every loop in a loop if declared therein?
48609
Can I use variables inside {} expansion without `eval`?
104934
How long can an Apex identifier (variable) name be?
71447
When to use \edef, \noexpand, and \expandafter?
122000
where instance variables get initialized
91298
What do ref, val and out mean on method parameters?
49009
Variable scope similar to other languages
21964
What are the conventions for indicating programming variables within text?
82730
Legitimate uses of Object(o)
34988
How to do indirect variable evaluation
78469
Is a closure for dereferencing variables useful?