StackOverflow Questions for Tag: do-notation

Pavel Beliy
Pavel Beliy

Reputation: 544

type tetris - stuck mixing monadic and pure code

Score: 1

Views: 125

Answers: 2

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Rahat
Rahat

Reputation: 345

Haskell IO : Printing Command Line Arguments

Score: 1

Views: 667

Answers: 2

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altern
altern

Reputation: 5949

How to use variable from do block assignment line in a where clause?

Score: 5

Views: 306

Answers: 1

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Gergely
Gergely

Reputation: 7525

What is the type of <- in Haskell?

Score: 2

Views: 101

Answers: 1

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Some
Some

Reputation: 21

Is there a way of receiving IO outside of main in Haskell?

Score: 1

Views: 697

Answers: 2

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Ignat Insarov
Ignat Insarov

Reputation: 4832

Why does a "let" statement force an "applicative do" block into requiring a monad constraint?

Score: 5

Views: 315

Answers: 2

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djoloho
djoloho

Reputation: 39

Haskell do notation and pattern matching?

Score: 2

Views: 443

Answers: 1

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Alvaro Marques
Alvaro Marques

Reputation: 80

"Couldn't match type ‘[]’ with ‘IO’" error in Haskell

Score: 0

Views: 716

Answers: 1

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sinoTrinity
sinoTrinity

Reputation: 1195

How do I conditionally bind in a do block?

Score: 5

Views: 1153

Answers: 2

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Magnar Kleppe
Magnar Kleppe

Reputation: 77

What does "<-" mean?

Score: 2

Views: 115

Answers: 1

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Albizia
Albizia

Reputation: 599

Why does the type match on the next line but not on the same line in `do` block?

Score: 4

Views: 134

Answers: 2

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RandomB
RandomB

Reputation: 3749

How does readIORef work: creates copy or it does not?

Score: 2

Views: 551

Answers: 2

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swaffelay
swaffelay

Reputation: 323

Parsing within case block

Score: 2

Views: 88

Answers: 2

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ceno980
ceno980

Reputation: 2011

Haskell: Understanding do notation with if-else statements

Score: 2

Views: 807

Answers: 1

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Tim
Tim

Reputation: 99526

Is do notation used necessarily in the context of monad?

Score: 2

Views: 502

Answers: 2

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user1125052
user1125052

Reputation:

Haskell - syntax in do blocks (using IO)

Score: 3

Views: 627

Answers: 1

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Ndosho Mbwana
Ndosho Mbwana

Reputation: 31

How does `return` statement have different type than that of a function's definition?

Score: 0

Views: 684

Answers: 1

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Habebit
Habebit

Reputation: 975

Haskell How to compare IO tuple with normal tuple

Score: 0

Views: 237

Answers: 1

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schuelermine
schuelermine

Reputation: 2288

Has the ability to use let statements in do blocks been removed in GHC 8.6.5?

Score: 2

Views: 121

Answers: 2

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Enirsa
Enirsa

Reputation: 99

Random grid of elements using Haskell

Score: 1

Views: 181

Answers: 3

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