Best Functional Programming Books to Buy in October 2025
The Art of Functional Programming
Functional Programming with C#: Create More Supportable, Robust, and Testable Code
An Introduction to Functional Programming Through Lambda Calculus (Dover Books on Mathematics)
Functional Programming in Scala, Second Edition
Learn Physics with Functional Programming: A Hands-on Guide to Exploring Physics with Haskell
Learn Functional Programming with Elixir: New Foundations for a New World (The Pragmatic Programmers)
Functional Programming in Kotlin
Functional and Concurrent Programming: Core Concepts and Features
Functional Programming in C#, Second Edition
In Haskell, you can pass the system time to a variable by using the getCurrentTime function from the Data.Time module. This function returns the current system time as a UTCTime value. You can then store this value in a variable using the let keyword or by binding it to a name in a function. Here is an example code snippet that demonstrates how to pass the system time to a variable in Haskell:
import Data.Time
main = do currentTime <- getCurrentTime let time = show currentTime putStrLn ("Current system time is: " ++ time)
In this code snippet, we first import the Data.Time module to access the getCurrentTime function. We then use the do notation to execute a sequence of actions. We call getCurrentTime to get the current system time and bind it to the variable currentTime. We then use the let keyword to bind the value of currentTime to the variable time as a string representation. Finally, we print out the current system time using putStrLn.
By following this approach, you can easily pass the system time to a variable in Haskell and use it in your program as needed.
How to access system time and save it in a variable in Haskell?
You can access the system time in Haskell using the getCurrentTime function from the Data.Time.Clock module. Here is an example of how to save the system time in a variable:
import Data.Time.Clock import Data.Time.LocalTime
main :: IO () main = do currentTime <- getCurrentTime print currentTime
In this code snippet, getCurrentTime function is called to retrieve the current system time and save it in a variable named currentTime. The print function is then used to display the current time on the console.
What is the function for fetching system time and assigning it to a variable in Haskell?
In Haskell, you can fetch the system time using the getCurrentTime function from the Data.Time module and then covert it to a specific time type if needed. Here is an example of how you can fetch the system time and assign it to a variable:
import Data.Time.Clock
main = do currentTime <- getCurrentTime print currentTime
In this example, getCurrentTime is used to fetch the current system time as a UTCTime value. You can then use the currentTime variable to perform any further operations required with the system time.
What is the function for retrieving system time in Haskell?
The getCurrentTime function from the Data.Time.Clock module is used to retrieve the current system time in Haskell.