End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
instance method
Kernel#autoload
autoload(module, filename) → nil
load.c
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static VALUE
rb_f_autoload(VALUE obj, VALUE sym, VALUE file)
{
VALUE klass = rb_class_real(rb_vm_cbase());
if (!klass) {
rb_raise(rb_eTypeError, "Can not set autoload on singleton class");
}
return rb_mod_autoload(klass, sym, file);
}
Registers filename to be loaded (using Kernel::require) the first time that module (which may be a String or a symbol) is accessed.
Example
autoload(:MyModule, "/usr/local/lib/modules/my_module.rb")