diff options
| author | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-11-23 23:57:30 +0000 |
|---|---|---|
| committer | normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-11-23 23:57:30 +0000 |
| commit | 214eecd391d6e2febb4d3c63566b1156abc7f7fc (patch) | |
| tree | ceb892ab91fa0793ae61bd5a1b1eda58724915f2 /lib | |
| parent | 376e57fee16018b7157c8875d43e4326e76b7c0b (diff) | |
resolv: use safe navigation operator to avoid extra hash lookups
@addr2name is a private Hash and never changes its default_proc,
so only pay the hash lookup cost once; we know missing entries
in the hash will be nil.
* lib/resolv.rb (each_name): use safe navigation operator
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56890 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/resolv.rb | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/resolv.rb b/lib/resolv.rb index 51083134a3..a5a997a43d 100644 --- a/lib/resolv.rb +++ b/lib/resolv.rb @@ -264,9 +264,7 @@ class Resolv def each_name(address, &proc) lazy_initialize - if @addr2name.include?(address) - @addr2name[address].each(&proc) - end + @addr2name[address]&.each(&proc) end end |