* [PATCH] kcar/response: remove const optimizations for Ruby < 2.1
@ 2015-08-04 22:21 Eric Wong
0 siblings, 0 replies; only message in thread
From: Eric Wong @ 2015-08-04 22:21 UTC (permalink / raw)
To: kcar-public
Ruby 2.1 and later emits opt_str_freeze to deduplicate literal
String#freeze calls, leading to even better performance than
the overhead from constant lookups (which have inline cache
overhead).
---
lib/kcar/response.rb | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/lib/kcar/response.rb b/lib/kcar/response.rb
index dba7fc8..954502c 100644
--- a/lib/kcar/response.rb
+++ b/lib/kcar/response.rb
@@ -7,8 +7,6 @@ class Kcar::Response
attr_accessor :sock, :hdr, :unchunk, :buf, :parser
# :stopdoc:
- LAST_CHUNK = "0\r\n"
- CRLF = "\r\n"
Parser = Kcar::Parser
# :startdoc:
@@ -91,12 +89,12 @@ class Kcar::Response
size = dst.size
if size > 0
yield("#{size.to_s(16)}\r\n")
- yield(dst << CRLF)
+ yield(dst << "\r\n".freeze)
end
break if @parser.body_eof?
end while @buf << @sock.readpartial(READ_SIZE, dst)
- yield LAST_CHUNK
+ yield "0\r\n".freeze
until @parser.trailers(@hdr, @buf)
@buf << @sock.readpartial(READ_SIZE, dst)
@@ -106,7 +104,7 @@ class Kcar::Response
# in the response, we'll just yield a stringified version to our
# server and pretend it's part of the body.
trailers = @parser.extract_trailers(@hdr)
- yield(trailers.map! { |k,v| "#{k}: #{v}\r\n" }.join << CRLF)
+ yield(trailers.map! { |k,v| "#{k}: #{v}\r\n" }.join << "\r\n".freeze)
end
def each_until_eof
--
EW
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2015-08-04 22:21 [PATCH] kcar/response: remove const optimizations for Ruby < 2.1 Eric Wong
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