Call function {func} with the items in List {arglist} as arguments. {func} can either be a Funcref or the name of a function. a:firstline and a:lastline are set to the cursor line. Returns the return value of the called function. {dict} is for functions with the "dict" attribute. It will be used to set the local variable "self". Dictionary-function

Can also be used as a method:

GetFunc()->call([arg, arg], dict)