method

eval_history=

ruby latest stable - Class: IRB::Context

eval_history=(no)

public

Sets command result history limit.

no is an Integer or nil.

Returns no of history items if greater than 0.

If no is 0, the number of history items is unlimited.

If no is nil, execution result history isn’t used (default).

# File lib/irb/ext/history.rb, line 44
    def eval_history=(no)
      if no
        if defined?(@eval_history) && @eval_history
          @eval_history_values.size(no)
        else
          @eval_history_values = History.new(no)
          IRB.conf[:__TMP__EHV__] = @eval_history_values
          @workspace.evaluate(self, "__ = IRB.conf[:__TMP__EHV__]")
          IRB.conf.delete(:__TMP_EHV__)
        end
      else
        @eval_history_values = nil
      end
      @eval_history = no
    end

eval_history=

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