delete_if()
public
Deletes every key-value pair from hsh for which block
evaluates to true.
If no block is given, an enumerator is returned instead.
h = { "a" => 100, "b" => 200, "c" => 300 }
h.delete_if {|key, value| key >= "b" }
VALUE
rb_hash_delete_if(VALUE hash)
{
RETURN_SIZED_ENUMERATOR(hash, 0, 0, hash_enum_size);
rb_hash_modify_check(hash);
if (!RHASH_TABLE_EMPTY_P(hash)) {
rb_hash_foreach(hash, delete_if_i, hash);
}
return hash;
}