Remove redundant call to #to_s

Author: wmontgomery-splunk

.rubocop_todo.yml

@@ -11,12 +11,6 @@ Lint/HashCompareByIdentity:
   Exclude:
     - 'lib/redis.rb'
 
-# Offense count: 1
-# Cop supports --auto-correct.
-Lint/RedundantStringCoercion:
-  Exclude:
-    - 'examples/consistency.rb'
-
 # Offense count: 2
 # Configuration parameters: EnforcedStyle, CheckMethodNames, CheckSymbols, AllowedIdentifiers.
 # SupportedStyles: snake_case, normalcase, non_integer

examples/consistency.rb

@@ -52,7 +52,7 @@ def initialize(redis)
   def genkey
     # Write more often to a small subset of keys
     ks = rand > 0.5 ? @keyspace : @working_set
-    "#{@prefix}key_#{rand(ks).to_s}"
+    "#{@prefix}key_#{rand(ks)}"
   end
 
   def check_consistency(key, value)