Variables

Definition

• var identifier = expr : identifier is now expr
• var identifier = var foo = expr : identifier and foo are now expr
• Reserved variable names :
  • null (0)
  • True (1)
  • False (0)
  • None (a NoneType instance)
  • noug_version (depending the version, str type).
• A variable definition return the expr given so it can be used in mathematicals operations : 1 + (var foo = 2) retuns 3

Access

Just give the identifier : foo

Deletion

If you don't need anymore a variable, you can delete it with the del keyword.

Types

There is 4 types :

• int (integers)
• float (floats)
• str (strings)
• NoneType (None)

Examples

• var foo = var bar = 12
• while var foo = bar - 1 then var bar = bar - 1

Example for deletion

Create a variable a, the delete it:

nougaro> var a = 1
1
nougaro> del a

But be careful! It can return errors:

nougaro> var a = 1
1
nougaro> del a
nougaro> del a
Traceback (more recent call last) :
 In file <stdin>, line 1, in <program> :

  del a
      ^
 NotDefinedError : a is not defined.