range.java

    @JRubyMethod(frame = true)
    public IRubyObject min(ThreadContext context, Block block) {
        RubyObject receiver;

        if (block.isGiven()) {
            receiver = this;
        } else {
            int c = RubyComparable.cmpint(context, invokedynamic(context, begin, MethodNames.OP_CMP, end), begin, end);
            boolean emptyRange = c > 0 || (c == 0 && isExclusive);
            if(emptyRange) return context.runtime.getNil();
            receiver = RubyArray.newArray(context.runtime, new IRubyObject[] {begin, end});
        }
        return Helpers.invokeSuper(context, receiver, block);
    }

    @JRubyMethod(frame = true, required = 1)
    public IRubyObject min(ThreadContext context, IRubyObject arg, Block block) {
        if (block.isGiven()) {
            return Helpers.invokeSuper(context, this, arg, block);
        } else {
            int c = RubyComparable.cmpint(context, invokedynamic(context, begin, MethodNames.OP_CMP, end), begin, end);
            boolean emptyRange = c > 0 || (c == 0 && isExclusive);
            if(emptyRange) {
                return RubyArray.newArray(context.runtime, 0);
            } else {
                // Shortcut - just take the first N elements. No need to sort, as ranges are implicitly sorted.
                return first(context, arg);
            }
        }
    }