Method invoke_from_class

aiscript-vm/src/vm/state.rs:1371–1386

(
        &mut self,
        class: GcRefLock<'gc, Class<'gc>>,
        name: InternedString<'gc>,
        arg_count: u8,
        keyword_args_count: u8,
    )

    }

    fn invoke_from_class(
        &mut self,
        class: GcRefLock<'gc, Class<'gc>>,
        name: InternedString<'gc>,
        arg_count: u8,
        keyword_args_count: u8,
    ) -> Result<(), VmError> {
        match class.borrow().methods.get(&name) {
            Some(Value::Closure(closure)) => self.call(*closure, arg_count, keyword_args_count),
            Some(value) if value.is_native_function() => {
                // class methods can be a native function
                self.call_value(*value, arg_count, keyword_args_count)
            }
            _ => Err(self.runtime_error(format!("Undefined property '{}'.", name).into())),
        }
    }

    fn invoke(
        &mut self,