Haskell Quiz

Test your knowledge the Haskell code example quiz.

Haskell is a general-purpose programming language that is defined by two main features: functionality and laziness.

It is a functional programming language because each program developed only uses functions in a pure mathematical sense, that is, without any collateral effects that may affect the final result — e.g., changes in variables.

It is also a "lazy" programming language because programs don't perform any calculations unless requested by the user or another process.

The language was created with the intention of allowing the development of large programs that are easy to modify and maintain, and it's also widely used in prototype development.

The first version of Haskell was released in 1990, and its name is based on the mathematician Haskell Brooks Curry, who established the foundations for functional programming languages based on his works on combinatory logic.

Haskell is the result of the collaborative work between many specialists in the field of software development, and it's now the standard among functional programming languages.

Features and benefits for software development

Haskell makes it easier to develop and maintain large software projects that involve a significant investment of time and money thanks to its specific set of features, such as:

  • Code reusability: thanks to polymorphism, an integer number can also be a floating-point number when needed
  • Efficient use of memory: programmers don’t have to worry about freeing the memory used for specific processes because the language does this automatically
  • Statically-typed: variable types are known at compile time, so errors are easily identified
  • Type inference: the language automatically assigns data types to functions, which helps simplify coding
  • Multithreading: the language can execute parallel statements. This increases the processing power/speed during runtime.

These and other Haskell features bring several advantages for developers, including:

  • Increased productivity
  • Source code that’s clear and easy to maintain
  • Programs are less prone to errors
  • The language is easy to learn and implement in practical applications

All of this often makes Haskell a clear choice for large projects that require precise mapping, high network security, large embedded systems, and applications that require complex mathematical calculations. Some examples include Facebook’s anti-spam program, the Cardano blockchain, and Target stores' supply chain software.

Quiz Details

The quiz contains between 8 and 12 questions and there is no time limit.