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30 lines
1.5 KiB
Markdown
30 lines
1.5 KiB
Markdown
The [AS](AS) keyword defines a variable data [Variable Types](Variable-Types).
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## Description
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* AS defines the variable or array type AS [_BIT](_BIT), [_BYTE](_BYTE), [INTEGER](INTEGER), [LONG](LONG), [_INTEGER64](_INTEGER64), [SINGLE](SINGLE), [DOUBLE](DOUBLE), [_FLOAT](_FLOAT) or [STRING](STRING).
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* Specifies a variable's [Variable Types](Variable-Types) in a declarative statement or parameter list using:
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* [DIM](DIM) or [REDIM](REDIM)
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* [DECLARE LIBRARY](DECLARE-LIBRARY)
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* [SUB](SUB)
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* [FUNCTION](FUNCTION)
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* [TYPE](TYPE)
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* [SHARED](SHARED)
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* [COMMON SHARED](COMMON-SHARED)
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* [STATIC](STATIC)
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### Details
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* Specifies a **[parameter](parameter)** variable's type in a [SUB](SUB) or [FUNCTION](FUNCTION) procedure. **Cannot be used to define a function's [Variable Types](Variable-Types)**
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* Specifies an element's type in a user-defined data [TYPE](TYPE).
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* Assigns a file number to a file or device in an [OPEN](OPEN) statement.
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* Specifies a field name in a random-access record (see [FIELD](FIELD))
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* Specifies a new file name when you rename a file (see [NAME](NAME))
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* **NOTE: Many QBasic keywords can be used as variable names if they are created as [STRING](STRING)s using the suffix **$**. You cannot use them without the suffix, use a numerical suffix or use [DIM](DIM), [REDIM](REDIM), [_DEFINE](_DEFINE), [BYVAL](BYVAL) or [TYPE](TYPE) variable [AS](AS) statements.**
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## See Also
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* [DIM](DIM), [REDIM](REDIM)
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* [_DEFINE](_DEFINE)
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* [BYVAL](BYVAL), [TYPE](TYPE)
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* [Variable Types](Variable-Types)
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