diff options
Diffstat (limited to 'hash.c')
-rw-r--r-- | hash.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -740,10 +740,12 @@ key_i(VALUE key, VALUE value, VALUE arg) * call-seq: * hsh.key(value) -> key * - * Returns the key for a given value. If not found, returns <code>nil</code>. + * Returns the key of the first occurrence of a given value. If the value is + * not found, returns <code>nil</code>. * - * h = { "a" => 100, "b" => 200 } + * h = { "a" => 100, "b" => 200, "c" => 300, "d" => 300 } * h.key(200) #=> "b" + * h.key(300) #=> "c" * h.key(999) #=> nil * */ |