method

min

v2_5_5 - Show latest stable - Class: Range

min(*args)

public

Returns the minimum value in the range. Returns nil if the begin value of the range is larger than the end value. Returns nil if the begin value of an exclusive range is equal to the end value.

Can be given an optional block to override the default comparison method a <=> b.

(10..20).min    #=> 10

static VALUE
range_min(int argc, VALUE *argv, VALUE range)
{
    if (rb_block_given_p()) {
        return rb_call_super(argc, argv);
    }
    else if (argc != 0) {
        return range_first(argc, argv, range);
    }
    else {
        struct cmp_opt_data cmp_opt = { 0, 0 };
        VALUE b = RANGE_BEG(range);
        VALUE e = RANGE_END(range);
        int c = OPTIMIZED_CMP(b, e, cmp_opt);

        if (c > 0 || (c == 0 && EXCL(range)))
            return Qnil;
        return b;
    }
}

min

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