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author | Akira Matsuda <ronnie@dio.jp> | 2022-12-08 12:31:30 +0900 |
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committer | git <svn-admin@ruby-lang.org> | 2022-12-08 03:31:36 +0000 |
commit | 7e121dc4a883d1e69db601bdcaac42de33e176e1 (patch) | |
tree | 109cc34db7f3ec7c2adb1f8ed2db6a9044e3b6a5 /lib/logger | |
parent | 7ab4820af7b39e12023ab3aee74cb7e66e97f786 (diff) | |
download | ruby-7e121dc4a883d1e69db601bdcaac42de33e176e1.tar.gz |
[ruby/logger] Another performance improvement on the Formatter by
using Kernel#sprintf over String#%
(https://github.com/ruby/logger/pull/75)
* Prefer Kernel#sprintf over String#% for formatting Strings
Diffstat (limited to 'lib/logger')
-rw-r--r-- | lib/logger/formatter.rb | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/logger/formatter.rb b/lib/logger/formatter.rb index 34e07bc57f..c634dbf34d 100644 --- a/lib/logger/formatter.rb +++ b/lib/logger/formatter.rb @@ -3,7 +3,7 @@ class Logger # Default formatter for log messages. class Formatter - Format = "%s, [%s #%d] %5s -- %s: %s\n" + Format = "%.1s, [%s #%d] %5s -- %s: %s\n" DatetimeFormat = "%Y-%m-%dT%H:%M:%S.%6N" attr_accessor :datetime_format @@ -13,8 +13,7 @@ class Logger end def call(severity, time, progname, msg) - Format % [severity[0, 1], format_datetime(time), Process.pid, severity, progname, - msg2str(msg)] + sprintf(Format, severity, format_datetime(time), Process.pid, severity, progname, msg2str(msg)) end private |