diff options
| author | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-27 03:06:55 +0000 |
|---|---|---|
| committer | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-27 03:06:55 +0000 |
| commit | 2e75043a49d5277c04173ba2af233283ae26702d (patch) | |
| tree | 8c03fc1e630b484940c45e5b1e132a9bf9889086 /lib | |
| parent | 697c82b69167f021841d139b4321245f8842837a (diff) | |
erb.rb: Use str_uplus instead of rb_str_dup
to skip unnecessary string allocation on frozen_string_literal: false.
str_uplus can bypass calling rb_str_dup when OBJ_FROZEN is true.
* Before
erb_render 1.064
* Afete
erb_render 0.909
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58916 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/erb.rb | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/erb.rb b/lib/erb.rb index dcd190fcbb..8a6c237f7b 100644 --- a/lib/erb.rb +++ b/lib/erb.rb @@ -280,7 +280,7 @@ class ERB # ERB#src: # # compiler = ERB::Compiler.new('<>') - # compiler.pre_cmd = ["_erbout=''.dup"] + # compiler.pre_cmd = ["_erbout=+''"] # compiler.put_cmd = "_erbout.<<" # compiler.insert_cmd = "_erbout.<<" # compiler.post_cmd = ["_erbout"] @@ -291,7 +291,7 @@ class ERB # <i>Generates</i>: # # #coding:UTF-8 - # _erbout=''.dup; _erbout.<< -"Got "; _erbout.<<(( obj ).to_s); _erbout.<< -"!\n"; _erbout + # _erbout=+''; _erbout.<< -"Got "; _erbout.<<(( obj ).to_s); _erbout.<< -"!\n"; _erbout # # By default the output is sent to the print method. For example: # @@ -861,7 +861,7 @@ class ERB def set_eoutvar(compiler, eoutvar = '_erbout') compiler.put_cmd = "#{eoutvar}.<<" compiler.insert_cmd = "#{eoutvar}.<<" - compiler.pre_cmd = ["#{eoutvar} = ''.dup"] + compiler.pre_cmd = ["#{eoutvar} = +''"] compiler.post_cmd = [eoutvar] end |