diff options
| -rw-r--r-- | mrbgems/mruby-enum-ext/mrblib/enum.rb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/mrbgems/mruby-enum-ext/mrblib/enum.rb b/mrbgems/mruby-enum-ext/mrblib/enum.rb index 90f321596..1ca62b673 100644 --- a/mrbgems/mruby-enum-ext/mrblib/enum.rb +++ b/mrbgems/mruby-enum-ext/mrblib/enum.rb @@ -208,4 +208,22 @@ module Enumerable a end end + + def count(v=nil, &block) + count = 0 + if block + self.each do |e| + count += 1 if block.call(e) + end + else + if v == nil + self.each { count += 1 } + else + self.each do |e| + count += 1 if e == v + end + end + end + count + end end |