create Function
Helper function to create a KthFunction.
Return
the created KthFunction
Parameters
key
the operator key
arg Count
the argument count of the function
function
the function
Helper function to create a KthFunction with one argument.
Return
the created KthFunction
Parameters
key
the operator key
function
the function
Helper function to create a KthFunction with two arguments.
Return
the created KthFunction
Parameters
key
the operator key
function
the function