scope
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Optional: Either public (the default) or private. Private declarations are available only in the file in which they occur. Public declarations can be accessed from other files through a
use statement. You can specify the scope only if the declaration is global, which means that the declaration is not located within a function, a window, or a winclass declaration.
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share
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Optional: Indicates that the variable is shared by multiple threads. Access to shared variables is controlled with the
access statement.
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data-type
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The data type of the variable.
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variable-id
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An identifier that specifies the name of the variable.
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expr
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Optional: An expression that evaluates the initial value of the variable. The value must be compatible with the type of the variable. If you try to use a variable before the value of the variable is set,
4Test raises an exception.
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