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D (Programming Language) VS Viator

Compare D (Programming Language) VS Viator and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

D (Programming Language) logo D (Programming Language)

D is a language with C-like syntax and static typing.

Viator logo Viator

Tours, things to do, sightseeing tours, day trips and more from Viator.
  • D (Programming Language) Landing page
    Landing page //
    2023-05-09
  • Viator Landing page
    Landing page //
    2023-04-10

D (Programming Language) features and specs

  • Performance
    D is designed to be a high-performance systems programming language, offering performance comparable to C and C++ through native machine code compilation.
  • Expressiveness
    D features a rich standard library and modern language constructs, such as garbage collection, first-class arrays, and advanced templating, making it easier to write expressive and maintainable code.
  • Memory Safety
    D offers optional garbage collection along with manual memory management. This hybrid approach can help in developing safer applications by reducing memory-related errors.
  • Interoperability
    D can easily interoperate with C API, enabling seamless integration with existing C libraries and systems. It also supports better C++ interoperability compared to other languages.
  • Built-in Unit Testing
    D has built-in support for unit tests, allowing developers to write and run tests as part of the language itself, facilitating test-driven development.
  • Concurrency
    D offers built-in concurrency support with message passing, similar to the actor model found in languages like Erlang, making it easier to write concurrent and parallel programs.

Possible disadvantages of D (Programming Language)

  • Adoption
    D is not as widely adopted as other languages like C, C++, or Java. This limited adoption means fewer libraries, frameworks, and community support.
  • Toolchain Maturity
    While D's compilers and tools have improved over the years, they may still lack the maturity and feature set of more established languages, which can affect developer productivity.
  • Learning Curve
    D's richness and combination of paradigms (such as imperative, object-oriented, and functional programming) can present a steep learning curve for new developers.
  • Garbage Collection
    Although D offers optional garbage collection, its reliance on it for memory safety might be seen as a drawback for real-time system development where deterministic memory management is crucial.
  • Ecosystem
    The ecosystem for D is less vibrant compared to more popular languages, leading to potentially fewer third-party libraries, tools, and resources.
  • Standard Library Documentation
    The standard library documentation can be inconsistent or less comprehensive compared to other languages, making it difficult for developers to fully utilize all features of the language.

Viator features and specs

  • Wide Selection
    Viator offers a broad range of tours and activities across many destinations worldwide, making it easy for travelers to find something that suits their interests.
  • User Reviews and Ratings
    The platform includes user reviews and ratings for each tour, which can help travelers make informed decisions based on other users' experiences.
  • Easy Booking Process
    Viator provides a straightforward and user-friendly booking process, allowing travelers to secure their tours and activities quickly and efficiently online.
  • Mobile App
    Viator offers a mobile app, making it convenient for users to book and manage their tours while on the go.
  • Customer Support
    Viator provides customer support to assist users with any issues or questions, which can help ensure a smoother travel experience.

Possible disadvantages of Viator

  • Pricing
    Some users may find that prices on Viator are higher compared to booking directly with tour operators or alternative platforms.
  • Cancellation Policies
    Cancellation policies can vary significantly between different tours and activities, and some might be stringent, making it challenging to get refunds.
  • Limited Information
    Some users may find that not all tours and activities come with detailed information, which can make it difficult to know exactly what to expect.
  • Third-Party Operators
    Viator acts as an intermediary between travelers and local tour operators, which means that the quality and reliability of experiences can vary.
  • Service Fees
    There may be additional service fees included in bookings, which can increase the overall cost for travelers.

Analysis of D (Programming Language)

Overall verdict

  • Overall, D is a solid programming language choice that balances performance with productivity. It may not be as widely adopted as some other languages, but it has a dedicated community and continues to evolve, making it a viable option for various programming tasks.

Why this product is good

  • The D programming language is considered good by many developers for various reasons. It combines the performance and low-level control of C/C++ with the expressive power and ease of use found in modern languages. D offers features like garbage collection, first-class functions, and compile-time function execution, providing both speed and flexibility. Its interoperability with C, the convenience of a powerful standard library (Phobos), and the availability of packages via the DUB package manager make it a practical choice for systems programming, application development, and rapid prototyping.

Recommended for

  • System programming enthusiasts looking for an alternative to C/C++
  • Developers interested in writing high-performance applications
  • Programmers who appreciate modern language features and strong community support
  • Projects requiring seamless C integration
  • Individuals looking for a language that supports easy code maintenance and scalability

Analysis of Viator

Overall verdict

  • Viator is generally considered a good and reliable platform for booking travel experiences. It is well-regarded for its variety of options, ease of booking, and detailed user reviews that help customers make informed decisions.

Why this product is good

  • Viator is a popular online platform for booking tours and activities around the world, and it's known for its extensive selection of travel experiences, user-friendly interface, and customer reviews. It offers a wide range of options from local city tours to unique experiences provided by trusted partners. The platform's ease of use, detailed descriptions, and availability of customer reviews contribute to its positive reputation.

Recommended for

  • Travelers looking for guided tours and activities worldwide
  • Individuals seeking unique and curated travel experiences
  • Those who prefer a one-stop-shop for tour bookings
  • Users who value customer reviews when making booking decisions
  • Travel enthusiasts planning itineraries for a variety of destinations

D (Programming Language) videos

+ Add

D Language Tutorial

Viator videos

+ Add

The TRM Viator Slipjoint Pocketknife: The Full Nick Shabazz Review

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Category Popularity

0-100% (relative to D (Programming Language) and Viator)

D (Programming Language)

Viator

Programming Language
100 100%
Programming Language
0% 0
Online Bookings
0 0%
Online Bookings
100% 100
OOP
100 100%
OOP
0% 0
Hotel Management Software
0 0%
Hotel Management Software
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare D (Programming Language) and Viator

D (Programming Language) Reviews

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Viator Reviews

The Best Travel Apps for 2025
Viator specializes in helping you book tours. When you travel to a destination where having a guide or daily itineraries would be ideal, take a look at what Viator has to offer. You'll find tours that include daily excursions as well as weeklong adventures with transfers included. Note that the quantity and quality of the deals varies dramatically by destination.
Source: www.pcmag.com
The 9 Best Travel Itinerary Apps for Booking Activites, Tours, and More
Viator comes from the same company as TripAdvisor, so you can be sure it knows everything about travel. The site offers over 200,000 things to do and is available in destinations such as London, Florence, Barcelona, Rome, New York City, and more. You can also rely on the platform to give you solid reviews, lowest prices, and even free cancellation if made at least 24 hours...
Source: www.esquiremag.ph

Social recommendations and mentions

Based on our record, D (Programming Language) should be more popular than Viator. It has been mentiond 60 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

D (Programming Language) mentions (60)

  • Ask HN: What is your (AI) dev tech stack / workflow? (June 2026)
    I've spent 2 weeks (2-4h per day) to make D language[1] version of Sciter SDK [2] Choice of AI "tooling" was by accident - typed something like "how to define copy constructor in D for custom structure" in Microsoft's Copilot in Edge browser that gives context for AI. The answer was good enough for me and so I went with it further. [1] D language HQ : https://dlang.org/. - Source: Hacker News / about 1 month ago
  • Rue: Higher level than Rust, lower level than Go
    > Mostly, I am not really trying to compete with C/C++/Rust on speed, but I'm not going to add a GC either. So I'm somewhere in there. Out of curiosity, how would you compare the goals of Rue with something like D[0] or one of the ML-based languages such as OCaml[1]? 0 - https://dlang.org/ 1 - https://ocaml.org/. - Source: Hacker News / 7 months ago
  • Pony: An actor-model, capabilities-secure, high-performance programming language
    The D language home page has something similar with a drop down with code examples https://dlang.org/. - Source: Hacker News / 12 months ago
  • Show HN: D++lang โ€“ A new systems programming language with Python-like syntax
    What is this? There's a lot of red flags here. * The name "D" for a programming language was taken in 1999: https://dlang.org/. - Source: Hacker News / about 1 year ago
  • Koto Programming Language
    >For me the biggest gap in programming languages is a rust like language with a garbage collector, instead of a borrow checker. I cannot agree more that's the much needed sweet spot/Goldilock/etc. Personally I have been advocating this approach for some times. Apparently the language is already widely available and currently has stable and wide compiler support including the venerable GNU compiler suite (GDC). It... - Source: Hacker News / over 1 year ago
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Viator mentions (22)

  • Naxos to Mykonos and Delos Day Trip
    We want to do a day trip from Naxos to Mykonos and Delos. But when I looked at getyourguide.com or viator.com, all the day trips on the dates that we wanted had already been booked. Also, from what I read, these sites do not really offer tours, it is basically boat tickets to go to these islands. Source: almost 3 years ago
  • Mariner of the Seas- Excursion was cancelled
    We used viator.com for many of our excursions. Most of the ones you find on RCCL are available on Viator but at a lower price. Be aware you may have to arrange your own transportation but we booked our excursions with shuttle included so we didn't have to deal with Taxis/Uber. Source: about 3 years ago
  • Visiting Norway in August and want to book a guided tour and a boat tour - is it okay/wise to book some we found through Trip Advisor or might we find websites for the exact guides we want to hire?
    I've never used Trip Advisor to book tours, but I have had good experiences with viator.com. Haven't used it to book anything in Norway though, but it worked well in Spain and Scotland. Source: about 3 years ago
  • Benefits of using Travel Agencies
    If you are into the planning and scouring the internet and magazines for your trip, but your not sure about activities, check out viator.com they have a huge variety of activities around the world, and you can book directly through their platform. Travel agents also use their platform to help travelers make a more enriching travel experience. Source: over 3 years ago
  • First time at Aulani: Help with itinerary?
    Take a surf lesson or go snorkeling to see sea turtles (check out on viator.com). Source: over 3 years ago
View more

What are some alternatives?

When comparing D (Programming Language) and Viator, you can also consider the following products

C++ - Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation

Cloudbeds - Cloudbeds is the hospitality management system built for ambitious hoteliers who demand more, unifying operations, distribution, guest experience, and revenue marketing within a single system.

Nim (programming language) - The Nim programming language is a concise, fast programming language that compiles to C, C++ and JavaScript.

TrustYou Messaging - Talk with guests via SMS, Facebook Messenger, email and live chat to improve operations & build loyalty. Internal staff management & Amazon Echo included!

V (programming language) - Simple, fast, safe, compiled language for developing maintainable software.

eZee Centrix - eZee Centrix helps hotels to manage their property rates & inventory across various travel websites with higher efficiency and ease.

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