Dart Sets: Operations on a Set | Dart Set Extensions | Dart Set Methods

Vinit MepaniVinit Mepani
2 min read

Dart Sets: Playing with Your Exclusive Party Invitations

In Dart, Sets are like your exclusive VIP party invitations. Now, let's talk about some fun operations, methods, and extensions you can use to manage your special guest list.

1. Operations on a Set: Elegant Moves

Operations are like graceful dance moves at your programming party. Sets come with some cool steps to make managing your guest list a breeze.

  • Union: Merging Invitations

    Imagine merging two exclusive guest lists into one. The union operation in Sets is like combining invitations without duplicates.

       Set<String> partyInvitations2 = {'David', 'Eva', 'Alice'};
    
      Set<String> mergedInvitations = partyInvitations1.union(partyInvitations2);
    

    Here, the union operation creates a new set with all unique invitations from both lists. It's like blending two exclusive parties into one grand event.

  • Intersection: Mutual Guests

    When you want to know which guests are common between two sets, the intersection operation is your friend.

      codeSet<String> partyInvitations1 = {'Alice', 'Bob', 'Charlie'};
      Set<String> partyInvitations2 = {'David', 'Eva', 'Alice'};
    
      Set<String> mutualGuests = partyInvitations1.intersection(partyInvitations2);
    

    The intersection operation gives you a set of guests who are on both lists. It's like finding the mutual friends who attend both exclusive parties.

2. Set Methods: Smooth Moves

Methods are like smooth dance moves that help you manage your guest list effortlessly.

  • Adding Guests: add()

      codeSet<String> partyInvitations = {'Alice', 'Bob', 'Charlie'};
      partyInvitations.add('David');
    

    The add method gracefully adds a new guest to your set. It ensures uniqueness, making sure no one gets a duplicate invitation.

  • Removing Guests: remove()

       codeSet<String> partyInvitations = {'Alice', 'Bob', 'Charlie'};
      partyInvitations.remove('Bob');
    

    With the remove method, you can smoothly remove a guest from your exclusive list. It's like an elegant exit without any fuss.

3. Set Extensions: Fancy Footwork

Extensions are like fancy footwork that adds flair to your dance routine. Dart Sets have some cool extensions to spice up your programming party.

  • Sorting: toSortedList()

       codeSet<int> numbers = {3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5};
      List<int> sortedNumbers = numbers.toSortedList();
    

    The toSortedList extension arranges your set in ascending order. It's like organizing your playlist for a smooth and harmonious party vibe.

  • Reversing: toReversedList()

      codeSet<String> partyInvitations = {'Alice', 'Bob', 'Charlie'};
      List<String> reversedGuests = partyInvitations.toReversedList();
    

    Using toReversedList, you can create a new list with your guests in reverse order. It's like changing the direction of your party vibes for a unique experience.

Dart Sets offer you elegant operations, smooth methods, and fancy extensions to make your programming party an exclusive and unforgettable event. Whether you're merging lists, finding common guests, or adding a new friend, Sets have the perfect moves for your programming dance floor!

0
Subscribe to my newsletter

Read articles from Vinit Mepani directly inside your inbox. Subscribe to the newsletter, and don't miss out.

Written by

Vinit Mepani
Vinit Mepani

"Hello World, I'm Vinit Mepani, a coding virtuoso driven by passion, fueled by curiosity, and always poised to conquer challenges. Picture me as a digital explorer, navigating through the vast realms of code, forever in pursuit of innovation. In the enchanting kingdom of algorithms and syntax, I wield my keyboard as a magical wand, casting spells of logic and crafting solutions to digital enigmas. With each line of code, I embark on an odyssey of learning, embracing the ever-evolving landscape of technology. Eager to decode the secrets of the programming universe, I see challenges not as obstacles but as thrilling quests, opportunities to push boundaries and uncover new dimensions in the realm of possibilities. In this symphony of zeros and ones, I am Vinit Mepani, a coder by passion, an adventurer in the digital wilderness, and a seeker of knowledge in the enchanting world of code. Join me on this quest, and let's create digital wonders together!"