2024-02-17 v. 4.9.2: updated "706. Design HashMap"

Author: fartem

leetcode-ruby.gemspec

@@ -5,7 +5,7 @@ require 'English'
 ::Gem::Specification.new do |s|
   s.required_ruby_version = '>= 3.0'
   s.name = 'leetcode-ruby'
-  s.version = '4.9.1'
+  s.version = '4.9.2'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[bin/leetcode-ruby README.md LICENSE]
   s.executable = 'leetcode-ruby'

lib/easy/706_design_hashmap.rb

@@ -21,14 +21,15 @@ def put(key, value)
       until e.nil?
         if e.key == key
           e.value = value
+
           break
         end
 
         p = e
         e = e.next
       end
 
-      p.next = ::Entry.new(key, value) if e.nil?
+      p&.next = ::Entry.new(key, value) if e.nil?
     end
   end