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Questions tagged [leksah]

Leksah is a Haskell IDE written in Haskell

Leksah is written in Haskell, uses Gtk, and runs on Linux, Windows and Mac OS X.

Learn more on its website

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Haskell IDE Leskah cannot install

First did sudo apt-get install haskell-platform , then followed these instructions... https://github.com/leksah/leksah#building-on-linux Set PATH in ~/.profile to "PATH="$HOME/.cabal/bin:$PATH"" sudo apt-get install libgtksourceview-3.0-dev…
Michael Lafayette
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How to get the type of a term inside a do block in Leksah?

Question in video format : http://youtu.be/3_pvK-gcLMM Question in text format : how can I get Leksah to tell me the type of unlisten in the code below ? Code is taken from…
jhegedus
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Clear eval in Leksah

I am not sure this is the right place to ask this question. If it isn't - my apologies. In Leksah I can right click and choose eval, which then prints evaluated messages to the log. I can then select a different function to eval, but I cannot clear…
Anton
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Leksah debugger fails because "GHCi is not running"

I have just installed Leksah from the binary installer on OSX 10.9.3. Whenever I try to enable debug mode, I get a line in the console saying ===========127================== and when I attempt to perform debug related activities, I get the same…
user3750332
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How can I add an extra switch in Leksah?

I would like to add an extra switch "-XDeriveDataTypeable" to the compiler. Otherwise, I would like to able to compile Typeable. Where can i do that in Leksah?
Aftershock
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Leksah hangs on first startup

When I start leksah an input form is shown (see image below). The problem is no matter what I do, nothing happens when I click on OK or on Cancel. I was never able to get past this screen. I click multiple times on the two buttons in the lower right…
mrsteve
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Remote debugging in haskell

Is it possible to debug haskell remotely? If the code is running on a server can I step through the code remotely using any tools? I have started using leksah for haskell development, I'm quite new to it but finding it quite useful. However I would…
opensourcegeek
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How can I get Leksah's candy to render properly in OS X?

The Leksah IDE for Haskell has an interesting "candy" feature which renders certain operators like == as special symbols (a triple equals sign in this case). On OS X (Mountain Lion, 10.8.2, if it matters), these special symbols just show up as…
Zach Conn
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importing lib in haskell after installing with cabal

Excuse the simplicity of this question, but I didn't find another question that addressed my issue. I have installed haskell and leksah, then performed "cabal install nat" to install the natural numbers lib. The lib looks like it was installed in…
jxstanford
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Installing Leksah with Nix on OS X

I've installed Haskell using the "batteries included" official version, which includes GHCi and Cabal. I then followed the recommended guidelines for installing Leksah, first installing Nix (with curl, as recommended), then downloading Leksah from…
Josh Friedlander
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Leksah 0.15.0.1, GHC 7.10.1 : Is it possible to pass user input to a Haskell program which is launched inside Leksah Haskell IDE? If yes, how?

Question : Is it possible to run a program in Leksah and enter user input ? If yes, how ? Reason for asking: I tried two different ways to run a program in Leksah and enter user input and both ways failed: First approach - running in normal mode…
jhegedus
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Leksah / Haskell : search for functions that operate on a given type (say [a], [Char])

Is there an easy way to search for functions that operate on a given type , say on [a] ? In Leksah Haskell IDE or with some other method ? If I want to figure out all the things that can be done to [a] or say [Char], what should I do ? Akin to…
jhegedus
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Haskell Leksah and GHCI

In Leksah, I get the following error whenever trying to debug anything. First it says: "GHCi debugger is not running." So I click "Start GHCi" Then I get the following in the console: GHCi, version 7.8.3: http://www.haskell.org/ghc/ :? for…
Fresheyeball
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Leksah default hello world is not working after installation Xubuntu 13.10

I've installed Leksah 0.12.1.3 on Xubuntu 13.10 from terminal. sudo apt-get install leksah Opened leksah, created new workspace and package. Main.hs is created by default with 'Hello world' program. module Main ( main ) where import…
edgecrusher
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Can't install gtk-mac-integration

I don't understand the error because it appears to be requiring a version of the same package that I'm trying to install. $ cabal install gtk-mac-integration Resolving dependencies... [1 of 2] Compiling SetupWrapper (…
Peter Hall
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