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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2019-09-16 08:01:08 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2019-09-16 10:10:09 +0900 |
| commit | d380c7d26f1056c021281d56c2d7110f9d5ce2d1 (patch) | |
| tree | 94181e46b21ab9008a7d893262105f786251915e /mrbgems/mruby-enum-ext/mrblib/enum.rb | |
| parent | 57a0132b41920ea14b903113586bf970c8210efa (diff) | |
| download | mruby-d380c7d26f1056c021281d56c2d7110f9d5ce2d1.tar.gz mruby-d380c7d26f1056c021281d56c2d7110f9d5ce2d1.zip | |
Implement `filter_map` from Ruby2.6.
Diffstat (limited to 'mrbgems/mruby-enum-ext/mrblib/enum.rb')
| -rw-r--r-- | mrbgems/mruby-enum-ext/mrblib/enum.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/mrbgems/mruby-enum-ext/mrblib/enum.rb b/mrbgems/mruby-enum-ext/mrblib/enum.rb index 171737e28..e354a4c5e 100644 --- a/mrbgems/mruby-enum-ext/mrblib/enum.rb +++ b/mrbgems/mruby-enum-ext/mrblib/enum.rb @@ -826,5 +826,17 @@ module Enumerable end hash.values end + + def filter_map(&blk) + return to_enum(:find_index, val) unless blk + + ary = [] + self.each do |x| + x = blk.call(x) + ary.push x if x + end + ary + end + alias filter select end |