Move hashrocket out of Pry.config.print

This simplifies the contract of Pry.config.print which makes it easier to use
in other places that we want to output a value, like ls -l.

If desired you can stil remove the => by setting Pry.config.output_prefix = ''
in your ~/.pryrc

lib/pry.rb

@@ -40,8 +40,7 @@ class Pry
     # avoid colour-leak from CodeRay and any of the users' previous output
     colorized = colorized.sub(/(\n*)\z/, "\e[0m\\1") if Pry.color
 
-    prefix = if false != options[:hashrocket] then '=> ' else '' end
-    result = prefix + colorized.gsub(/%<(.*?)#{nonce}/, '#<\1')
+    result = colorized.gsub(/%<(.*?)#{nonce}/, '#<\1')
     Helpers::BaseHelpers.stagger_output(result, output)
   end
 
@@ -49,15 +48,15 @@ class Pry
   # pretty_print is too slow
   SIMPLE_PRINT = proc do |output, value|
     begin
-      output.puts "=> #{value.inspect}"
+      output.puts value.inspect
     rescue RescuableException
-      output.puts "=> unknown"
+      output.puts "unknown"
     end
   end
 
   # useful when playing with truly enormous objects
   CLIPPED_PRINT = proc do |output, value|
-    output.puts "=> #{Pry.view_clip(value)}"
+    output.puts Pry.view_clip(value)
   end
 
   # Will only show the first line of the backtrace

lib/pry/commands/ls.rb

@@ -268,7 +268,7 @@ class Pry
       name_value_pairs.sort_by do |name, value|
         value.to_s.size
       end.reverse.map do |name, value|
-        colorized_assignment_style(name, format_value_without_hashrocket(value))
+        colorized_assignment_style(name, format_value(value))
       end
     end
 
@@ -279,13 +279,9 @@ class Pry
       "%-#{pad}s = %s" % [color(:local_var, colorized_lhs), rhs]
     end
 
-    def format_value_without_hashrocket(value)
+    def format_value(value)
       accumulator = StringIO.new
-      if Pry::DEFAULT_PRINT.source_location == Pry.print.source_location
-        Pry.output_with_default_format(accumulator, value, :hashrocket => false)
-      else
-        Pry.print.call(accumulator, value)
-      end
+      Pry.print.call(accumulator, value)
       accumulator.string
     end
 

lib/pry/pry_class.rb

@@ -272,6 +272,7 @@ class Pry
     config.auto_indent = Helpers::BaseHelpers.use_ansi_codes?
     config.correct_indent = true
     config.collision_warning = false
+    config.output_prefix = "=> "
 
     if defined?(Bond) && Readline::VERSION !~ /editline/i
       config.completer = Pry::BondCompleter

lib/pry/pry_instance.rb

@@ -334,6 +334,7 @@ class Pry
     if last_result_is_exception?
       exception_handler.call(output, result, self)
     elsif should_print?
+      output.write(Pry.config.output_prefix)
       print.call(output, result)
     else
       # nothin'

test/test_pry_defaults.rb

@@ -92,22 +92,22 @@ describe "test Pry defaults" do
   end
 
   it "should set the print default, and the default should be overridable" do
-    new_print = proc { |out, value| out.puts value }
+    new_print = proc { |out, value| out.puts "LOL" }
     Pry.print =  new_print
 
     Pry.new.print.should == Pry.print
     Pry.new(:input => InputTester.new("\"test\""), :output => @str_output).rep
-    @str_output.string.should == "test\n"
+    @str_output.string.should == "=> LOL\n"
 
     @str_output = StringIO.new
     Pry.new(:input => InputTester.new("\"test\""), :output => @str_output,
             :print => proc { |out, value| out.puts value.reverse }).rep
-    @str_output.string.should == "tset\n"
+    @str_output.string.should == "=> tset\n"
 
     Pry.new.print.should == Pry.print
     @str_output = StringIO.new
     Pry.new(:input => InputTester.new("\"test\""), :output => @str_output).rep
-    @str_output.string.should == "test\n"
+    @str_output.string.should == "=> LOL\n"
   end
 
   describe "pry return values" do

test/test_pry_output.rb

@@ -34,10 +34,10 @@ describe Pry do
       mock_pry("{:a => 1}").should =~ /^=> \{:a=>1\}/
     end
 
-    it 'should have a milder-mannered companion without the hashrocket' do
-      s = StringIO.new
-      Pry.output_with_default_format s, '2', :hashrocket => false
-      s.string.should.not =~ /^=>/
+    it "should not include the =>" do
+      accumulator = StringIO.new
+      Pry.config.print.call(accumulator, :a => 1)
+      accumulator.string.should == "{:a=>1}\n"
     end
 
     it "should not be phased by un-inspectable things" do