Haskell To Mercury Converter
Other Haskell Converters
What Is Haskell To Mercury Converter?
A Haskell to Mercury converter is an online tool designed to simplify the conversion of code written in Haskell into the Mercury programming language. This converter utilizes technologies like generative AI, machine learning, and natural language processing to make the transition efficient and accurate. The conversion process consists of three distinct steps, each aimed at providing a seamless user experience:
- Input: You start by entering the Haskell code that you want to convert. This code serves as the foundation for the conversion process.
- Processing: The tool then analyzes your provided code. It employs AI-driven algorithms that interpret the syntax and semantics of Haskell, preparing to transform it into compatible Mercury syntax.
- Output: After processing, you receive the generated Mercury code. This code is formatted and ready for immediate use in your projects, ensuring you can continue your work without delay.
How Is Haskell Different From Mercury?
Haskell and Mercury represent distinct approaches to programming, each tailored to particular needs and applications. Haskell is known as a purely functional programming language, which means it focuses on functions and avoids changing states and mutable data. This characteristic makes Haskell particularly strong in handling complex mathematical computations. In contrast, Mercury is a logic programming language designed with practical applications in mind. It emphasizes declarative programming, which allows developers to specify what they want to achieve rather than detailing how to achieve it, resulting in a focus on optimizing the efficiency of code execution.
- Paradigm: Haskell strictly adheres to functional programming principles, meaning its operations center around the use of functions. On the other hand, Mercury bridges the gap by incorporating both functional and logic programming paradigms, providing greater versatility in how developers can approach problems.
- Type System: Haskell employs Hindley-Milner type inference, which can automatically deduce the types of variables without explicit specification. This can make Haskell code more compact but requires a good understanding of its type system. In comparison, Mercury encourages more explicit type declarations, which can provide clarity and potentially ease debugging for developers.
- Execution Model: Haskell utilizes lazy evaluation, meaning it only computes values when absolutely necessary. This can lead to performance benefits in some contexts but may also introduce complexities in understanding program flow. Conversely, Mercury adopts a deterministic execution model, which guarantees the same output for the same inputs, providing predictability in program behavior.
- Mode System: Mercury’s explicit mode system allows developers to define how variables are used, which can significantly improve performance. In Haskell, variable handling is largely implicit, which may result in less understanding of how data flows through the program.
| Feature | Haskell | Mercury |
|---|---|---|
| Programming Style | Functional | Logic and Functional |
| Type Inference | Hindley-Milner | Explicit |
| Evaluation Strategy | Lazy | Deterministic |
| Mode System | Implicit | Explicit mode declarations |
How Does Minary’s Haskell To Mercury Converter Work?
Start by describing your task in the input box. Whether you’re converting a simple arithmetic function or a complex data structure, the Haskell To Mercury converter is designed to understand and process your requirements. Once you’ve detailed your task, click the ‘Generate’ button.
The generator will then analyze your input and begin generating corresponding code in Mercury, which will appear on the right side of the interface. You have the convenience of copying this generated code easily by clicking the ‘Copy’ button at the bottom of the results area.
Your feedback is valuable too! Below the code, you’ll find feedback vote buttons to indicate whether the generated code met your expectations. Your responses will help train and improve the Haskell To Mercury converter over time, ensuring that it adapts to your needs and preferences.
For example, if you’re looking to convert a Haskell function that calculates the factorial of a number, your detailed prompt might read: “Write a function in Haskell that computes the factorial of a given integer using recursion.” After clicking generate, you’ll get a seamless Mercury representation of that function, ready for use.
This interaction with the Haskell To Mercury converter not only streamlines the coding process but also enhances your coding efficiency, making it a valuable tool for programmers seeking simplicity and accuracy in their work.
Examples Of Converted Code From Haskell To Mercury
main :: IO ()
main = do
putStrLn “Enter a list of numbers separated by spaces:”
input <- getLine
let numbers = map read (words input) :: [Int]
sumEven = sumEvenNumbers numbers
putStrLn $ "The total sum of the even numbers is: " ++ show sumEven
sumEvenNumbers :: [Int] -> Int
sumEvenNumbers = sum . filter even
:- interface.
:- import_module io.
:- pred main(io::di, io::uo) is det.
:- implementation.
main –>
io.write_string(“Enter a list of numbers separated by spaces: “),
io.get_line(Line),
{
Numbers = list.map(int.from_string, string.words(Line)),
SumEven = sum_even_numbers(Numbers)
},
io.format(“The total sum of the even numbers is: %sn”, [int.sum(SumEven)]).
:- pred sum_even_numbers(list(int)::in) : int.
sum_even_numbers(Numbers) = sum(list.filter(is_even, Numbers)).
:- func is_even(int) = bool.
is_even(N) = (N mod 2 = 0).
import System.IO (hFlush, stdout)
factorial :: Integer -> Integer
factorial 0 = 1
factorial n = n * factorial (n – 1)
getIntegerInput :: IO (Maybe Integer)
getIntegerInput = do
putStr “Enter a non-negative integer: ”
hFlush stdout
input <- getLine
let number = reads input :: [(Integer, String)]
return $ if null number then Nothing else Just (fst (head number))
main :: IO ()
main = do
result <- getIntegerInput
case result of
Nothing -> putStrLn “Invalid input. Please enter a valid non-negative integer.”
Just n | n < 0 -> putStrLn “Factorial is not defined for negative integers.”
| otherwise -> putStrLn $ “The factorial of ” ++ show n ++ ” is ” ++ show (factorial n)
:- interface.
:- import_module io.
:- pred main(io :: di, io :: uo) is det.
:- implementation.
:- import_module exception, int, string.
factorial(Integer) = Integer :-
( if Integer = 0 then
1
else
Integer * factorial(Integer – 1)
).
get_integer_input(io::di, io::uo) = Result :-
io.write_string(“Enter a non-negative integer: “, !IO),
io.flush(!IO),
io.read_line(Line, !IO),
( Line = ok(Input) ->
( if string.to_int(Input, Number) then
Result = yes(Number)
else
Result = no
)
; Result = no
).
main(!IO) :-
get_integer_input(!IO, Result),
( Result = no ->
io.write_string(“Invalid input. Please enter a valid non-negative integer.n”, !IO)
; ( Result = yes(N) ->
( if N < 0 then
io.write_string("Factorial is not defined for negative integers.n", !IO)
else
io.write_string("The factorial of " ++ int.to_string(N) ++ " is " ++ int.to_string(factorial(N)) ++ "n", !IO)
)
)
).
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