[ruby/resolv] Simplify adding new entries

ruby/resolv@081b8df705
ruby · Feb 25, 2024 · 012a0b9 · 012a0b9
1 parent 30b9986
commit 012a0b9
Showing 1 changed file with 2 additions and 6 deletions.
diff --git a/lib/resolv.rb b/lib/resolv.rb
@@ -196,12 +196,8 @@ def lazy_initialize # :nodoc:
               line.sub!(/#.*/, '')
               addr, *hostnames = line.split(/\s+/)
               next unless addr
-              @addr2name[addr] = [] unless @addr2name.include? addr
-              @addr2name[addr].concat(hostnames)
-              hostnames.each {|hostname|
-                @name2addr[hostname] = [] unless @name2addr.include? hostname
-                @name2addr[hostname] << addr
-              }
+              (@addr2name[addr] ||= []).concat(hostnames)
+              hostnames.each {|hostname| (@name2addr[hostname] ||= []) << addr}
             }
           }
           @name2addr.each {|name, arr| arr.reverse!}