Feature #17136: Remove special behavior from $KCODE - Ruby master - Ruby Issue Tracking System

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Feature #17136

closed

Remove special behavior from $KCODE

Added by znz (Kazuhiro NISHIYAMA) about 4 years ago. Updated almost 4 years ago.

Status:

Closed

Assignee:

Target version:

[ruby-core:99785]

Description

$SAFE is now a normal global variable with no special behavior.
I think $KCODE's special behavior is also no longer needed.
Warnings since 1.9.

% docker run -it --rm rubylang/all-ruby env ALL_RUBY_SINCE=ruby-1.4 ./all-ruby -e '$KCODE="e"; p $KCODE'
ruby-1.4.0            "EUC"
...
ruby-1.8.7-p374       "EUC"
ruby-1.9.0-0          -e:1: warning: variable $KCODE is no longer effective; ignored
                      -e:1: warning: variable $KCODE is no longer effective
                      nil
...
ruby-2.7.1            -e:1: warning: variable $KCODE is no longer effective; ignored
                      -e:1: warning: variable $KCODE is no longer effective
                      nil