Standardize on double-quoted strings

lib/docile.rb

@@ -1,7 +1,7 @@
-require 'docile/version'
-require 'docile/execution'
-require 'docile/fallback_context_proxy'
-require 'docile/chaining_fallback_context_proxy'
+require "docile/version"
+require "docile/execution"
+require "docile/fallback_context_proxy"
+require "docile/chaining_fallback_context_proxy"
 
 # Docile keeps your Ruby DSLs tame and well-behaved.
 module Docile

lib/docile/chaining_fallback_context_proxy.rb

@@ -1,4 +1,4 @@
-require 'docile/fallback_context_proxy'
+require "docile/fallback_context_proxy"
 
 module Docile
   # @api private
@@ -17,4 +17,4 @@ def method_missing(method, *args, &block)
       @__receiver__ = super(method, *args, &block)
     end
   end
-end
+end

lib/docile/execution.rb

@@ -15,7 +15,7 @@ module Execution
     # @param block      [Proc]   the block of DSL commands to be executed
     # @return           [Object] the return value of the block
     def exec_in_proxy_context(dsl, proxy_type, *args, &block)
-      block_context = eval('self', block.binding)
+      block_context = eval("self", block.binding)
       proxy_context = proxy_type.new(dsl, block_context)
       begin
         block_context.instance_variables.each do |ivar|
@@ -32,4 +32,4 @@ def exec_in_proxy_context(dsl, proxy_type, *args, &block)
     end
     module_function :exec_in_proxy_context
   end
-end
+end

lib/docile/fallback_context_proxy.rb

@@ -1,4 +1,4 @@
-require 'set'
+require "set"
 
 module Docile
   # @api private
@@ -17,7 +17,7 @@ class FallbackContextProxy
     # The set of methods which will **not** be proxied, but instead answered
     # by this object directly.
     NON_PROXIED_METHODS = Set[:__send__, :object_id, :__id__, :==, :equal?,
-                              :'!', :'!=', :instance_exec, :instance_variables,
+                              :"!", :"!=", :instance_exec, :instance_variables,
                               :instance_variable_get, :instance_variable_set,
                               :remove_instance_variable]
 

lib/docile/version.rb

@@ -1,4 +1,4 @@
 module Docile
   # The current version of this library
-  VERSION = '1.2.0'
+  VERSION = "1.2.0"
 end

on_what.rb

@@ -2,25 +2,25 @@
 #   between Rakefile, gemspec, and spec_helper. Not for use in actual library.
 
 def on_travis?
-  ENV['CI'] == 'true'
+  ENV["CI"] == "true"
 end
 
 def on_jruby?
-  defined?(RUBY_ENGINE) && 'jruby' == RUBY_ENGINE
+  defined?(RUBY_ENGINE) && "jruby" == RUBY_ENGINE
 end
 
 def on_rubinius?
-  defined?(RUBY_ENGINE) && 'rbx' == RUBY_ENGINE
+  defined?(RUBY_ENGINE) && "rbx" == RUBY_ENGINE
 end
 
 def on_1_8?
-  RUBY_VERSION.start_with? '1.8'
+  RUBY_VERSION.start_with? "1.8"
 end
 
 def on_less_than_1_9_3?
-  RUBY_VERSION < '1.9.3'
+  RUBY_VERSION < "1.9.3"
 end
 
 def on_less_than_2_0?
-  RUBY_VERSION < '2.0.0'
+  RUBY_VERSION < "2.0.0"
 end