`#{self.class}[:#{@name}][:value]` is deprecated. Use `#{sel

Error message

`#{self.class}[:#{@name}][:value]` is deprecated. Use `#{self.class}#prompt_procs` instead or an instance of `#{self.class}` directly

What it means

Error "`#{self.class}[:#{@name}][:value]` is deprecated. Use `#{self.class}#prompt_procs` instead or an instance of `#{self.class}` directly" thrown in pry/pry.

Source

Thrown at lib/pry/prompt.rb:144

    end

    # @return [Proc] the proc which builds the prompt when in the middle of an
    #   expression such as open method, etc. (`*`)
    def incomplete_proc
      @prompt_procs.last
    end

    # @deprecated Use a `Pry::Prompt` instance directly
    def [](key)
      key = key.to_s
      if %w[name description].include?(key)
        Pry::Warning.warn(
          "`Pry::Prompt[:#{@name}][:#{key}]` is deprecated. " \
          "Use `#{self.class}##{key}` instead"
        )
        public_send(key)
      elsif key.to_s == 'value'
        Pry::Warning.warn(
          "`#{self.class}[:#{@name}][:value]` is deprecated. Use " \
          "`#{self.class}#prompt_procs` instead or an instance of " \
          "`#{self.class}` directly"
        )
        @prompt_procs
      end
    end

    add(
      :default,
      "The default Pry prompt. Includes information about the current expression \n" \
      "number, evaluation context, and nesting level, plus a reminder that you're \n" \
      'using Pry.'
    ) do |context, nesting, pry_instance, sep|
      format(
        "[%<in_count>s] %<name>s(%<context>s)%<nesting>s%<separator>s ",
        in_count: pry_instance.input_ring.count,
        name: pry_instance.config.prompt_name,

View on GitHub (pinned to 1356402628)

When it happens

Trigger: Thrown at lib/pry/prompt.rb:144 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of pry/pry@1356402628 (2026-08-21). Data as JSON: /api/errors/8a8a54a85ca8702f. Report an issue: GitHub.