call


`call`
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`call`

call — calls a class method for a given instance.

Synopsis

call (instance, method, !argument...)
call (instance, class, method, !argument...)

Arguments

instance: An instance of a class.
method: A method name defined for the class of the instance.
class: A class name.
argument: The arguments to the method.

Returns

The result of calling the named method on the given instance with the provided arguments.

Description

This function explicitly calls a class method for the provided instance, using the same argument list as would be required for a call using (instance method ...) syntax in Lisp, or the instance.method (...) syntax in Gamma. The second syntax of this function provides a means for calling an explicit class method even if the class of the instance overloads the method name. Notice that the arguments to call are all evaluated.

Example


	This example is based on the class and method developed in `method`.

Gamma> call(sqB, Square, #perimeter);
12
Gamma> call(sqB, Square, #area);
9
Gamma>