QB64-website/wiki/AS.md

The AS keyword defines a variable data Variable Types.

Description

• AS defines the variable or array type AS _BIT, _BYTE, INTEGER, LONG, _INTEGER64, SINGLE, DOUBLE, _FLOAT or STRING.
• Specifies a variable's Variable Types in a declarative statement or parameter list using:
  • DIM or REDIM
  • DECLARE LIBRARY
  • SUB
  • FUNCTION
  • TYPE
  • SHARED
  • COMMON SHARED
  • STATIC

Details

• Specifies a parameter variable's type in a SUB or FUNCTION procedure. Cannot be used to define a function's Variable Types
• Specifies an element's type in a user-defined data TYPE.
• Assigns a file number to a file or device in an OPEN statement.
• Specifies a field name in a random-access record (see FIELD)
• Specifies a new file name when you rename a file (see NAME)
• NOTE: Many QBasic keywords can be used as variable names if they are created as STRINGs using the suffix $. You cannot use them without the suffix, use a numerical suffix or use DIM, REDIM, _DEFINE, BYVAL or TYPE variable AS statements.

See Also

• DIM, REDIM
• _DEFINE
• BYVAL, TYPE
• Variable Types