method

choice

v1_8_7_330 - Show latest stable - 0 notes - Class: Array

1_8_6_287
1_8_7_72 (0)
1_8_7_330 (0)
1_9_1_378
1_9_2_180
1_9_3_125
1_9_3_392
2_1_10
2_2_9
2_4_6
2_5_5
2_6_3
What's this?

choice() public

Choose a random element from an array.

/*
 *  call-seq:
 *     array.choice        -> obj
 *  
 *  Choose a random element from an array.
 */


static VALUE
rb_ary_choice(ary)
    VALUE ary;
{
    long i, j;

    i = RARRAY(ary)->len;
    if (i == 0) return Qnil;
    j = rb_genrand_real()*i;
    return RARRAY(ary)->ptr[j];
}

choice

Related methods