method

hash

v2_4_6 - Show latest stable - 0 notes - Class: Array

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1_9_1_378 (-36)
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hash() public

Compute a hash-code for this array.

Two arrays with the same content will have the same hash code (and will compare using #eql?).

See also Object#hash.

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static VALUE
rb_ary_hash(VALUE ary)
{
    long i;
    st_index_t h;
    VALUE n;

    h = rb_hash_start(RARRAY_LEN(ary));
    h = rb_hash_uint(h, (st_index_t)rb_ary_hash);
    for (i=0; i<RARRAY_LEN(ary); i++) {
        n = rb_hash(RARRAY_AREF(ary, i));
        h = rb_hash_uint(h, NUM2LONG(n));
    }
    h = rb_hash_end(h);
    return ST2FIX(h);
}

hash

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