Unit 'Variants' Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] [#rtl]

VarIsEmpty

Check if the variant is empty.

Declaration

Source position: variants.pp line 81

function VarIsEmpty(

  const V: Variant

):Boolean;

Description

VarIsEmpty checks whether the variant V is empty (i.e. the type is varEmpty).

See also

VarType

  

Return the type of a variant.

VarAsType

  

Attempt to cast a variant to another type.

VarIsType

  

Check if a variant is of certain type.

VarIsEmpty

  

Check if the variant is empty.

VarCheckEmpty

  

Raise exception if a variant is empty.

VarIsNull

  

Check if a variant is null.


Documentation generated on: Oct 27 2024