[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'Variants' (#rtl)

VarIsEmpty

Check if the variant is empty

Declaration

Source position: variants.pp line 74

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: May 14 2021