improvement: simplify readability of nil checks

lib/resources/auditd_conf.rb

@@ -28,7 +28,7 @@ class AuditDaemonConf < Vulcano.resource(1)
 
   def method_missing(name)
     @params || read_content
-    !@params.nil? ? (return @params[name.to_s]) : (return nil)
+    @params.nil? ? nil : @params[name.to_s]
   end
 
   def read_content

lib/resources/gem.rb

@@ -31,8 +31,7 @@ class GemPackage < Vulcano.resource(1)
   end
 
   def version
-    return nil if info.nil?
-    info[:version]
+    info.nil? ? nil : info[:version]
   end
 
   def to_s

lib/resources/inetd_conf.rb

@@ -29,7 +29,7 @@ class InetdConf < Vulcano.resource(1)
 
   def method_missing(name)
     @params || read_content
-    !@params.nil? ? (return @params[name.to_s]) : (return nil)
+    @params.nil? ? nil : @params[name.to_s]
   end
 
   def read_content

lib/resources/limits_conf.rb

@@ -27,7 +27,7 @@ class LimitsConf < Vulcano.resource(1)
 
   def method_missing(name)
     @params || read_content
-    !@params.nil? ? (return @params[name.to_s]) : (return nil)
+    @params.nil? ? nil : @params[name.to_s]
   end
 
   def read_content

lib/resources/login_def.rb

@@ -33,7 +33,7 @@ class LoginDef < Vulcano.resource(1)
 
   def method_missing(name)
     @params || read_content
-    !@params.nil? ? (return @params[name.to_s]) : (return nil)
+    @params.nil? ? nil : @params[name.to_s]
   end
 
   def read_content

lib/resources/npm.rb

@@ -29,8 +29,7 @@ class NpmPackage < Vulcano.resource(1)
   end
 
   def version
-    return nil if info.nil?
-    info[:version]
+    info.nil? ? nil : info[:version]
   end
 
   def to_s

lib/resources/oneget.rb

@@ -38,8 +38,7 @@ class OneGetPackage < Vulcano.resource(1)
   end
 
   def version
-    return nil if info.nil?
-    info[:version]
+    info.nil? ? nil : info[:version]
   end
 
   def to_s

lib/resources/pip.rb

@@ -33,8 +33,7 @@ class PipPackage < Vulcano.resource(1)
   end
 
   def version
-    return nil if info.nil?
-    info[:version]
+    info.nil? ? nil : info[:version]
   end
 
   def to_s