Convert Go to Haskell using AI

Features

• Translation of invalid or incomplete source code
• Customizable conversion via inline instructions, use tag in comments
• Convert unformatted source code snippets
• Translation of complex syntax expressions
• Syntax, semantic and pragmatic of target programming language is considered during translation

Translation Challenges

Concurrency Model

In Go, concurrency is handled using goroutines and channels, which allow for lightweight concurrent execution. For example:

go func() {
    // Do something concurrently
}()

In Haskell, concurrency can be achieved using the Control.Concurrent library, specifically with forkIO:

import Control.Concurrent

main :: IO ()
main = do
    forkIO $ do
        -- Do something concurrently

For more details, refer to the Go Concurrency Documentation and the Haskell Concurrent Programming Documentation.

Interfaces and Type Assertion

Go uses interfaces to define behavior, and type assertions to check types at runtime. For example:

var x interface{}
x = 5

In Haskell, you can use type classes and Maybe for similar behavior:

let x = Just 5 :: Maybe Int

For more information, see the Go Interfaces Documentation and the Haskell Type Classes Documentation.

Error Handling

Go uses explicit error handling with multiple return values. For example:

result, err := someFunction()
if err != nil {
    // Handle error
}

In Haskell, you typically use the Either type for error handling:

case result of
    Left err -> -- Handle error
    Right value -> -- Use value

Refer to the Go Error Handling Documentation and the Haskell Error Handling Documentation.

Structs and Methods

In Go, you define structs and attach methods to them. For example:

type Person struct {
    Name string
}

func (p Person) Greet() {
    fmt.Println("Hello, " + p.Name)
}

In Haskell, you define data types and functions that operate on them:

data Person = Person { name :: String }

greet :: Person -> IO ()
greet (Person n) = putStrLn ("Hello, " ++ n)

For more details, see the Go Structs Documentation and the Haskell Data Types Documentation.

Goroutines and Channels

Goroutines and channels are central to Go's concurrency model. For example:

ch := make(chan int)
go func() {
    ch <- 42
}()
value := <-ch

In Haskell, you can use MVar or STM for similar functionality:

import Control.Concurrent

main :: IO ()
main = do
    mvar <- newMVar 0
    forkIO $ do
        modifyMVar_ mvar (\_ -> return 42)
    value <- takeMVar mvar

Refer to the Go Channels Documentation and the Haskell MVar Documentation.

Package Management

Go uses a simple package management system with import statements. For example:

import "fmt"

Haskell uses a more complex system with Cabal or Stack, and imports can look like this:

import Data.Text

For more information, see the Go Package Documentation and the Haskell Cabal Documentation.

Mutable State

Go allows mutable state with variables. For example:

var x int = 0
x++

In Haskell, you typically use immutable variables, and you can use let for local bindings:

let x = 0 in x + 1

Refer to the Go Variables Documentation and the Haskell Immutability Documentation.

Reflection

Go has a powerful reflection system that allows you to inspect types at runtime. For example:

reflect.TypeOf(x)

In Haskell, you can use the Typeable type class for similar functionality:

import Data.Typeable

typeOf x

For more details, see the Go Reflection Documentation and the Haskell Typeable Documentation.

Generics

Go introduced generics in version 1.18, allowing for type parameters. For example:

func MyFunc[T any](x T) { ... }

In Haskell, you can define parametric types:

data MyType a = MyType a

Refer to the Go Generics Documentation and the Haskell Generics Documentation.

Slices vs Lists

Go uses slices, which are more flexible than arrays. For example:

slice := []int{1, 2, 3}

Haskell uses lists, which are linked lists. For example:

list = [1, 2, 3]

For more information, see the Go Slices Documentation and the Haskell Lists Documentation.