Method: LibCDB::CDB::Reader#key

Defined in:
ext/libcdb/ruby_cdb_reader.c

#key(val) ⇒ aString | nil

Returns the first key associated with value val, or nil if val was not found.

Returns:

  • (aString | nil) 


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# File 'ext/libcdb/ruby_cdb_reader.c', line 390

static VALUE
rcdb_reader_key(VALUE self, VALUE val) {
  RCDB_READER_ITERATE_ARY(each, break_equal2,
    rb_ary_new3(2, Qnil, val))
}