You are here: Start » Function Reference » All Functions » Array Basics » SkipEmptyArray

SkipEmptyArray

This is Filter Equivalent. This function may be present in generated code, but should not be used in hand-written code.

If the input array is not empty, then it is copied to the output; otherwise Nil is returned.

Applications: Secures against domain errors caused by empty arrays, e.g. just before the GetMaximumElement filter is to be invoked.

Syntax

void fil::SkipEmptyArray
(
	const ftl::Array<Type>& inArray,
	ftl::Conditional<ftl::Array<Type> >& outNotEmptyArray,
	bool& outIsNotEmpty
)

Parameters

	Name	Type	Default	Description
	inArray	const Array<Type>&		Array that may be empty or not
	outNotEmptyArray	Conditional<Array<Type> >&		Not empty array or Nil
	outIsNotEmpty	bool&

Remarks

This filter can be replaced with the following formula: