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Version 1.9 Build 1556

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is_functional - Function

	Package	utility
	Module	functionals

Check if functional

Synopsis
is_functional(v)

Arguments

v	in	value to be tested
		Allowed:	any

Returns
Bool

Description
Checks if the operand is a correct functional

Example

- a := dfs.gaussian1d()         # make a functional
- is_functional(a)              # is it one?
T 
- a.done()
T 
- is_functional(a)
F 
-