Notice!
This is documentation for v4, which is no longer
actively maintained.
For up-to-date documentation, see the latest version.
Identifiers
Identifiers are names used for user-defined variables and functions. They can be composed of:
- upper (
A-Z) or lower (a-z) case letters, - underscore (
_), - digits (
0-9).
An identifier cannot begin with a digit. Identifiers are case-sensitive. Here are some examples of valid identifiers:
myVar
_myVar
my123Var
MAX_LEN
max_len