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-rw-r--r--lib/irb/ext/history.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/irb/ext/history.rb b/lib/irb/ext/history.rb
index d40a62e959..55cd56de2f 100644
--- a/lib/irb/ext/history.rb
+++ b/lib/irb/ext/history.rb
@@ -22,7 +22,7 @@ module IRB
_set_last_value(value)
@workspace.evaluate self, "_ = IRB.CurrentContext.last_value"
- if @eval_history #and !@eval_history_values.equal?(llv)
+ if (@eval_history ||= nil) #and !@eval_history_values.equal?(llv)
@eval_history_values.push @line_no, @last_value
@workspace.evaluate self, "__ = IRB.CurrentContext.instance_eval{@eval_history_values}"
end
@@ -33,7 +33,7 @@ module IRB
attr_reader :eval_history
def eval_history=(no)
if no
- if @eval_history
+ if (@eval_history ||= nil)
@eval_history_values.size(no)
else
@eval_history_values = History.new(no)