Function mrb_include_module

pub unsafe extern "C" fn mrb_include_module(
    mrb: *mut mrb_state,
    cla: *mut RClass,
    included: *mut RClass,
)

Include a module in another class or module. Equivalent to:

module B include A end @param mrb The current mruby state. @param cla A reference to module or a class. @param included A reference to the module to be included.