Add '_' prefix to an unused variable

lib/cool.io/dns_resolver.rb:171: warning: assigned but unused variable - ancount
socketry · Mar 30, 2016 · 368e58f · 368e58f
1 parent 9a8f071
commit 368e58f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/cool.io/dns_resolver.rb b/lib/cool.io/dns_resolver.rb
@@ -168,7 +168,7 @@ def response_address(message)
       return unless rcode == 0
 
       # Extract the question and answer counts
-      qdcount, ancount = message[4..7].unpack('nn').map { |n| n.to_i }
+      qdcount, _ancount = message[4..7].unpack('nn').map { |n| n.to_i }
 
       # We only asked one question
       return unless qdcount == 1