| --- | |
| - hosts: | |
| - localhost | |
| connection: local | |
| gather_facts: False | |
| vars: | |
| ami_id: ami-29ebb519 # Ubuntu 14.04 amd64 server | |
| region: us-west-2 # XXX: Arbitrarily chosen | |
| http_port: 80 | |
| domain_name: haverer.jml.io |
| --- | |
| - hosts: all | |
| tasks: | |
| # XXX: This is pretty manual. Would just like a thing that says 'install | |
| # these packages from this PPA' | |
| - name: approve cabal PPA | |
| apt_key: keyserver=keyserver.ubuntu.com | |
| id=063DAB2BDC0B3F9FCEBC378BFF3AEACEF6F88286 | |
| state=present | |
| sudo: yes |
| { | |
| packageOverrides = pkgs: rec { | |
| haskellPackages = with pkgs.haskellPackages; pkgs.haskellPackages // rec { | |
| monadLogger = callPackage ./haskell/monad-logger.nix {}; | |
| monadControl_0_3_x = callPackage ./haskell/monad-control-0.3.3.1.nix {}; | |
| transformers = callPackage ./haskell/transformers.nix {}; | |
| }; | |
| }; | |
| } |
| # This file was auto-generated by cabal2nix. Please do NOT edit manually! | |
| { cabal, aeson, classyPrelude, classyPreludeConduit | |
| , classyPreludeYesod, conduit, dataDefault, fastLogger, fileEmbed | |
| , hjsmin, hspec, httpConduit, monadControl, monadLogger, persistent | |
| , persistentSqlite, persistentTemplate, resourcet, safe | |
| , shakespeare, text, time, transformers, unorderedContainers | |
| , vector, waiExtra, waiLogger, warp, yaml, yesod, yesodAuth | |
| , yesodCore, yesodForm, yesodStatic, yesodTest | |
| , yesodBin |
| {-# LANGUAGE CPP #-} | |
| {-# LANGUAGE ForeignFunctionInterface #-} | |
| {-# LANGUAGE OverloadedStrings #-} | |
| {-# LANGUAGE TemplateHaskell #-} | |
| import Prelude hiding (FilePath) | |
| import qualified Data.ByteString | |
| import Data.ByteString (ByteString) | |
| import Foreign |
| /Users/jml/.nix-profile/bin/../lib/ghc-7.8.4/package.conf.d/aeson-0.8.0.2.installedconf: | |
| aeson-0.8.0.2 | |
| /Users/jml/.nix-profile/bin/../lib/ghc-7.8.4/package.conf.d/aeson-0.8.0.2.installedconf: | |
| aeson-0.8.0.2 | |
| /Users/jml/.nix-profile/bin/../lib/ghc-7.8.4/package.conf.d/ansi-terminal-0.6.2.1.installedconf: | |
| ansi-terminal-0.6.2.1 | |
| /Users/jml/.nix-profile/bin/../lib/ghc-7.8.4/package.conf.d/ansi-terminal-0.6.2.1.installedconf: |
| [nix-shell:~/src/haskell-filesystem/system-fileio]$ cabal test | |
| Preprocessing library system-fileio-0.3.16... | |
| lib/Filesystem.hs:82:18: | |
| Could not find module ‘Data.Text’ | |
| Perhaps you haven't installed the profiling libraries for package ‘text-1.2.0.3’? | |
| Use -v to see a list of the files searched for. | |
| lib/Filesystem.hs:83:18: | |
| Could not find module ‘Data.Text.IO’ |
| [nix-shell:~/src/haverer-api]$ cabal build -v | |
| Package has never been configured. Configuring with default flags. If this | |
| fails, please run configure manually. | |
| /nix/store/psk32g0fz8rz1wcchcrkwldmljh7whq6-ghc-7.8.4-wrapper/bin/ghc --numeric-version | |
| looking for tool ghc-pkg near compiler in | |
| /nix/store/psk32g0fz8rz1wcchcrkwldmljh7whq6-ghc-7.8.4-wrapper/bin | |
| found ghc-pkg in | |
| /nix/store/psk32g0fz8rz1wcchcrkwldmljh7whq6-ghc-7.8.4-wrapper/bin/ghc-pkg | |
| /nix/store/psk32g0fz8rz1wcchcrkwldmljh7whq6-ghc-7.8.4-wrapper/bin/ghc-pkg --version | |
| /nix/store/psk32g0fz8rz1wcchcrkwldmljh7whq6-ghc-7.8.4-wrapper/bin/ghc --supported-languages |
(edited conversation from #rust, featuring jml, reem, and Yurume).
I have a value type Foo, implemented as a struct with methods that return Foo such that the struct is never mutated but only new ones returned. If I want one of those to return the value unchanged, do I have to clone? e.g. http://is.gd/rm4gmY
#[deriving(Eq, PartialEq, PartialOrd, Ord, Show, Clone)]
struct Foo {
x: int,
| $ echo $PATH | |
| ~/Library/Haskell/bin:~/.cabal/bin:/usr/local/opt/coreutils/libexec/gnubin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin:/usr/local/MacGPG2/bin | |
| $ ls -l ~/Library/Haskell/bin/cabal | |
| -rwxr-xr-x 1 jml staff 19475336 Aug 16 16:06 /Users/jml/Library/Haskell/bin/cabal | |
| $ which cabal | |
| /usr/bin/cabal | |
| $ |