Method: Hash#replace

Defined in:
hash.c

#replace(other_hash) ⇒ Hash

Replaces the contents of hsh with the contents of other_hash.

h = { "a" => 100, "b" => 200 }
h.replace({ "c" => 300, "d" => 400 })   #=> {"c"=>300, "d"=>400}

Returns:



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# File 'hash.c', line 1445

static VALUE
rb_hash_replace(VALUE hash, VALUE hash2)
{
    st_table *table2;

    rb_hash_modify_check(hash);
    if (hash == hash2) return hash;
    hash2 = to_hash(hash2);

    RHASH_SET_IFNONE(hash, RHASH_IFNONE(hash2));
    if (FL_TEST(hash2, HASH_PROC_DEFAULT))
	FL_SET(hash, HASH_PROC_DEFAULT);
    else
	FL_UNSET(hash, HASH_PROC_DEFAULT);

    table2 = RHASH(hash2)->ntbl;

    rb_hash_clear(hash);
    if (table2) hash_tbl(hash)->type = table2->type;
    rb_hash_foreach(hash2, replace_i, hash);

    return hash;
}