diff options
Diffstat (limited to 'mrblib/hash.rb')
| -rw-r--r-- | mrblib/hash.rb | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/mrblib/hash.rb b/mrblib/hash.rb index e7c51fb1f..48ac96e56 100644 --- a/mrblib/hash.rb +++ b/mrblib/hash.rb @@ -10,7 +10,7 @@ class Hash # hash. # # ISO 15.2.13.4.1 - def == (hash) + def ==(hash) return true if self.equal?(hash) begin hash = hash.to_hash @@ -54,7 +54,7 @@ class Hash # # ISO 15.2.13.4.8 def delete(key, &block) - if block && ! self.has_key?(key) + if block && !self.has_key?(key) block.call(key) else self.__delete(key) @@ -319,6 +319,29 @@ class Hash h end + ## + # call-seq: + # hsh.rehash -> hsh + # + # Rebuilds the hash based on the current hash values for each key. If + # values of key objects have changed since they were inserted, this + # method will reindex <i>hsh</i>. + # + # h = {"AAA" => "b"} + # h.keys[0].chop! + # h #=> {"AA"=>"b"} + # h["AA"] #=> nil + # h.rehash #=> {"AA"=>"b"} + # h["AA"] #=> "b" + # + def rehash + h = {} + self.each{|k,v| + h[k] = v + } + self.replace(h) + end + def __update(h) h.each_key{|k| self[k] = h[k]} self |