lib/byebug/commands/display.rb in byebug-9.1.0 vs lib/byebug/commands/display.rb in byebug-10.0.0

@@ -1,8 +1,10 @@
-require 'byebug/command'
-require 'byebug/helpers/eval'
+# frozen_string_literal: true
 
+require "byebug/command"
+require "byebug/helpers/eval"
+
 module Byebug
   #
   # Custom expressions to be displayed every time the debugger stops.
   #
   class DisplayCommand < Command
@@ -14,22 +16,22 @@
     def self.regexp
       /^\s* disp(?:lay)? (?:\s+ (.+))? \s*$/x
     end
 
     def self.description
-      <<-EOD
+      <<-DESCRIPTION
         disp[lay][ <expression>]
 
         #{short_description}
 
         If <expression> specified, adds <expression> into display expression
         list. Otherwise, it lists all expressions.
-      EOD
+      DESCRIPTION
     end
 
     def self.short_description
-      'Evaluates expressions every time the debugger stops'
+      "Evaluates expressions every time the debugger stops"
     end
 
     def execute
       return print_display_expressions unless @match && @match[1]
 
@@ -38,27 +40,27 @@
     end
 
     private
 
     def display_expression(exp)
-      print pr('display.result', n: Byebug.displays.size,
+      print pr("display.result", n: Byebug.displays.size,
                                  exp: exp,
                                  result: eval_expr(exp))
     end
 
     def print_display_expressions
-      result = prc('display.result', Byebug.displays) do |item, index|
+      result = prc("display.result", Byebug.displays) do |item, index|
         active, exp = item
 
         { n: index + 1, exp: exp, result: eval_expr(exp) } if active
       end
 
       print result
     end
 
     def eval_expr(expression)
       error_eval(expression).inspect
-    rescue
-      '(undefined)'
+    rescue StandardError
+      "(undefined)"
     end
   end
 end