Function mrb_define_module_method 

pub fn mrb_define_module_method(
    _vm: &mut VM,
    module: Rc<RModule>,
    name: &str,
    method: RProc,
)

Defines a Ruby method (RProc) on a Ruby module.

Arguments

• _vm - The virtual machine instance (unused)
• module - The module to define the method on
• name - The name of the method
• method - The Ruby proc to bind as a method