nargout

Returns the number of output arguments.

Syntax

• R = nargout()

• R = nargout(function_name)

• R = nargout(function_handle)

Input argument

• function_name - a string: function name

• function_handle - a function handle

Output argument

• R - an integer value: number of output argument

Description

nargout returns the number of output arguments of an function.

If the last output argument of the function is varargout the returned value is negative.

Examples

With an macro function:

nargout('cellstr')

With an builtin function:

nargout('cos')

See also

nargin.

History

Version	Description
1.0.0	initial version

Author

Allan CORNET