Recent questions tagged ghc

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ghc - Haskell : loading ALL files in current directory path

The command (in GHCi) :load abc Loads the functions in the file abc (which must exist in the current directory path). ... addNumber2 a b = a + b See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ghc - Are Haskell FlexibleInstances a stable extension to the language?

What is the problem with FlexibleInstances in Haskell? Why are they not included in Haskell 2010? Were ... included in Haskell Prime? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ghc - Statically link C++ library with a Haskell library

Setup: I have a Haskell library HLib which makes calls to a C/C++ backend CLib for efficiency. The backend ... library that depends on HLib. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ghc - Under what circumstances could Common Subexpression Elimination affect the laziness of a Haskell program?

From wiki.haskell.org: First of all, common subexpression elimination (CSE) means that if an expression appears in ... of effect that could be. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ghc - How to run a Haskell file in interpreted mode

I've been told you can interpret Haskell files (which I assume means they will work like Ruby/Python/Perl). ... trying out ideas and learning. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ghc - Orphaned instances in Haskell

When compiling my Haskell application with the -Wall option, GHC complains about orphaned instances, for example: ... doing things my way. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ghc - Haskell Space Overflow

I've compiled this program and am trying to run it. import Data.List import Data.Ord import qualified ... collatzLength to be tail recursive? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ghc - Preferred method for viewing code generated by Template Haskell

As you know, Template Haskell is used to generate various kinds of AST splices programmatically at compile-time. ... pretty-show package does)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ghc - How to execute a command right after a fetch or pull command in git?

I cloned the GHC (Glasgow Haskell Compiler) repository. In order to build the compiler, you need several libraries, all ... what I have to do. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ghc - What exactly is the kind "*" in Haskell?

In Haskell, (value-level) expressions are classified into types, which can be notated with :: like so: ... extensions change the answer? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ghc - How to make a CAF not a CAF in Haskell?

How do I make a Constant Applicative Form into, well, not a Constant Applicative Form, to stop it being ... to a dead link, unfortunately. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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