nixpkgs/pkgs/development/libraries/haskell
2012-07-16 11:21:29 +02:00
..
abstract-deque Updated Haskell packages. 2012-05-07 09:36:49 +00:00
abstract-par haskell-abstract-par: updated to version 0.3.1 2012-05-08 10:08:13 +00:00
AC-Vector
accelerate Updated Haskell packages. 2012-06-11 07:04:40 +00:00
accelerate-cuda haskell-accelerate-cuda: Patch Setup file 2012-07-10 10:44:51 +02:00
accelerate-examples Updated Haskell packages. 2012-06-11 07:04:40 +00:00
accelerate-io Updated Haskell packages. 2012-06-11 07:04:40 +00:00
aeson Updated Haskell packages. 2012-04-05 16:51:59 +00:00
Agda haskell-Agda: patched to support modern versions of mtl 2012-06-11 10:40:10 +00:00
alternative-io Updated Haskell packages. 2012-04-23 09:34:01 +00:00
ansi-terminal
ansi-wl-pprint removed executable bits from Nix files 2012-04-03 06:31:19 +00:00
arrows
asn1-data
AspectAG
async haskell-async: update to version 2.0.1.1 2012-07-14 11:14:38 +02:00
attempt Dropped obsolete Haskell packages. 2012-03-29 11:17:31 +00:00
attoparsec Updated Haskell packages. 2012-05-28 10:23:20 +00:00
attoparsec-conduit Updated Haskell packages. 2012-05-09 11:25:59 +00:00
authenticate Updated Haskell packages. 2012-05-14 09:56:52 +00:00
base-unicode-symbols haskell-base-unicode-symbols: update to version 0.2.2.4 2012-07-14 11:14:38 +02:00
base16-bytestring Updated Haskell packages. 2012-06-18 09:52:42 +00:00
base64-bytestring Updated Haskell packages. 2012-06-20 10:56:24 +00:00
base64-string
benchpress
bimap
binary haskell-binary: update to version 0.5.1.1 2012-07-14 11:14:38 +02:00
binary-shared Updated Haskell packages. 2012-06-20 10:56:24 +00:00
bitarray
bitmap
bits-atomic Added missing meta.maintainers tags. 2012-05-07 09:38:04 +00:00
bktrees
blaze-builder
blaze-builder-conduit Updated Haskell packages. 2012-05-07 09:36:49 +00:00
blaze-builder-enumerator Updated Haskell packages. 2012-04-20 09:57:42 +00:00
blaze-html Updated Haskell packages. 2012-05-28 10:23:20 +00:00
blaze-markup Updated Haskell packages. 2012-04-23 09:34:01 +00:00
blaze-textual
bloomfilter Updated Haskell packages. 2012-06-18 09:52:42 +00:00
bmp Updated Haskell packages. 2012-03-30 08:27:56 +00:00
Boolean
bson Updated Haskell packages. 2012-06-20 10:56:24 +00:00
byteorder
bytestring-lexing
bytestring-mmap removed executable bits from Nix files 2012-04-03 06:31:19 +00:00
bytestring-nums
bytestring-trie
c2hs Added haskell-mpi and dependencies. 2012-05-09 16:19:52 +00:00
Cabal
cabal-file-th
cabal-macosx Updated Haskell packages. 2012-05-28 10:23:20 +00:00
cairo Updated Haskell packages. 2012-05-28 10:23:20 +00:00
case-insensitive
cautious-file
cereal Updated Haskell packages. 2012-06-06 08:08:25 +00:00
certificate haskell-certificate: updated to version 1.2.3 2012-05-16 08:58:30 +00:00
cgi
Chart
citeproc-hs
clientsession Updated Haskell packages. 2012-04-25 10:12:44 +00:00
cmdargs Updated Haskell packages. 2012-03-25 19:33:53 +00:00
cmdlib
colorize-haskell
colour
compact-string-fix
conduit Updated Haskell packages. 2012-05-09 11:25:59 +00:00
ConfigFile Updated Haskell packages. 2012-04-03 18:37:58 +00:00
continued-fractions removed executable bits from Nix files 2012-04-03 06:31:19 +00:00
converge removed executable bits from Nix files 2012-04-03 06:31:19 +00:00
convertible
cookie
CouchDB
cprng-aes
cpu Updated Haskell packages. 2012-06-15 08:06:11 +00:00
criterion
Crypto Updated Haskell packages. 2012-05-15 11:50:48 +00:00
crypto-api Updated Haskell packages. 2012-04-27 13:18:36 +00:00
crypto-conduit Updated Haskell packages. 2012-04-23 09:34:01 +00:00
crypto-pubkey-types
cryptocipher Updated Haskell packages. 2012-06-18 09:52:42 +00:00
cryptohash Updated Haskell packages. 2012-04-23 09:34:01 +00:00
css-text
csv
cuda Adding NVIDIA CUDA toolkit and haskell-accelerate-cuda plus deps. 2012-05-20 17:38:03 +00:00
curl
data-accessor Updated Haskell packages. 2012-04-16 12:07:58 +00:00
data-binary-ieee754
data-default Updated Haskell packages. 2012-04-05 23:03:52 +00:00
data-reify
dataenc
datetime
deepseq
deepseq-th Updated Haskell packages. 2012-04-16 12:07:58 +00:00
derive Updated Haskell packages. 2012-06-28 14:50:44 +02:00
derp Updated Haskell packages. 2012-03-28 13:49:20 +00:00
Diff
digest
dimensional
directory-tree
dlist
dotgen
double-conversion
download
download-curl
DSH Updated Haskell packages. 2012-05-10 10:28:49 +00:00
dstring
edit-distance haskell-edit-distance: added version 0.2.1 2012-04-20 11:35:17 +00:00
editline
email-validate
entropy
enumerator Updated Haskell packages. 2012-04-09 12:37:39 +00:00
erf
exception-mtl Adding NVIDIA CUDA toolkit and haskell-accelerate-cuda plus deps. 2012-05-20 17:38:03 +00:00
exception-transformers Adding NVIDIA CUDA toolkit and haskell-accelerate-cuda plus deps. 2012-05-20 17:38:03 +00:00
executable-path Updated Haskell packages. 2012-05-28 10:23:20 +00:00
explicit-exception Updated Haskell packages. 2012-04-16 12:07:58 +00:00
extensible-exceptions
failure Dropped obsolete Haskell packages. 2012-03-29 11:17:31 +00:00
fast-logger
fclabels Updated Haskell packages. 2012-05-02 09:25:23 +00:00
feed
FerryCore
fgl
fgl-visualize Updated Haskell packages. 2012-04-03 06:31:11 +00:00
file-embed Updated Haskell packages. 2012-05-28 10:23:20 +00:00
filepath
filestore haskell-filestore: disable Haddock phase to fix build with GHC 7.0.4 2012-06-04 09:46:16 +00:00
fingertree
flexible-defaults removed executable bits from Nix files 2012-04-03 06:31:19 +00:00
funcmp removed executable bits from Nix files 2012-04-03 06:31:19 +00:00
gamma removed executable bits from Nix files 2012-04-03 06:31:19 +00:00
gd
gdiff
generic-deriving Updated Haskell packages. 2012-06-08 13:38:20 +00:00
ghc-core
ghc-events Patching ghc-events to work with latest mtl. 2012-06-07 10:58:24 +00:00
ghc-mod Updated Haskell packages. 2012-06-28 14:50:44 +02:00
ghc-mtl
ghc-paths
ghc-syb
ghc-syb-utils
gio
gitit haskell-gitit: patch to support current version of hslogger 2012-07-16 11:21:29 +02:00
glade
GLFW
glib Updated Haskell packages. 2012-05-28 10:23:20 +00:00
GlomeVec
gloss Updated Haskell packages. 2012-04-25 10:12:44 +00:00
GLURaw
GLUT Updated the Haskell Platform prerelease. 2012-05-22 06:14:35 +00:00
Graphalyze Updated Haskell packages. 2012-04-23 09:34:01 +00:00
graphviz Updated Haskell packages. 2012-06-08 13:38:20 +00:00
gtk Updated Haskell packages. 2012-06-18 09:52:42 +00:00
gtk2hs-buildtools Updated Haskell packages. 2012-05-28 10:23:20 +00:00
gtksourceview2 Updated Haskell packages. 2012-05-28 10:23:20 +00:00
hackage-db
hakyll haskell-hakyll: update to version 3.4.0.0 2012-07-14 11:14:38 +02:00
hamlet Updated Haskell packages. 2012-06-28 14:50:44 +02:00
happstack haskell-happstack-server: update to version 7.0.3 2012-07-14 11:14:39 +02:00
hashable
hashed-storage
hashtables Updated Haskell packages. 2012-04-27 13:18:36 +00:00
haskeline Updated Haskell packages. 2012-05-14 09:56:52 +00:00
haskeline-class
haskell-lexer
haskell-mpi Added haskell-mpi and dependencies. 2012-05-09 16:19:52 +00:00
haskell-platform Latest change (or reverse change) for the upcoming Haskell Platform. 2012-05-25 16:19:52 +00:00
haskell-src
haskell-src-exts Updated Haskell packages. 2012-05-11 13:04:35 +00:00
haskell-src-meta Updated Haskell packages. 2012-04-01 19:51:53 +00:00
HaskellForMaths Updated Haskell packages. 2012-04-25 10:12:44 +00:00
hastache haskell-hastache: update to version 0.4.1 2012-07-14 11:14:39 +02:00
HaXml haskell-HaXml: updated to version 1.23.3 2012-06-19 08:24:18 +00:00
haxr haskell-haxr: update to version 3000.9.0.1 2012-07-14 11:14:39 +02:00
haxr-th
HDBC Updated Haskell packages. 2012-04-03 18:37:58 +00:00
hfuse Updated Haskell packages. 2012-04-23 09:34:01 +00:00
HGL
highlighting-kate haskell-highlighting-kate: updated to version 0.5.1 2012-05-31 07:24:47 +00:00
hinotify Update Haskell packages. 2012-07-02 10:46:19 +02:00
hint
Hipmunk haskell-Hipmunk: update to version 5.2.0.9 2012-07-14 11:14:38 +02:00
hjsmin Updated Haskell packages. 2012-05-28 10:23:20 +00:00
hledger haskell-hledger: update to version 0.18.2 2012-07-14 11:14:39 +02:00
hledger-lib haskell-hledger-lib: update to version 0.18.2 2012-07-14 11:14:39 +02:00
hledger-web haskell-hledger-web: update to version 0.18.2 2012-07-14 11:14:39 +02:00
HList
hmatrix
hoauth haskell-hoauth: add meta.maintainer 2012-07-14 10:54:43 +02:00
hoogle haskell-hoogle: update to version 4.2.12 2012-07-16 11:21:29 +02:00
hopenssl
hostname
hp2any-core
hp2any-graph
hs-bibutils
hS3
hscolour Updated Haskell packages. 2012-06-03 18:26:09 +00:00
hsdns
hsemail Updated Haskell packages. 2012-06-08 13:38:20 +00:00
HSH
hslogger-template
HsOpenSSL Updated Haskell packages. 2012-04-25 10:12:44 +00:00
hspread
HsSyck
HStringTemplate
hsyslog removed executable bits from Nix files 2012-04-03 06:31:19 +00:00
html
HTTP Updated Haskell packages. 2012-04-16 12:07:58 +00:00
http-conduit Updated Haskell packages. 2012-06-28 14:50:44 +02:00
http-date
http-types Updated Haskell packages. 2012-05-28 10:23:20 +00:00
httpd-shed
HUnit Updated Haskell packages. 2012-06-13 07:08:57 +00:00
hxt
hxt-charproperties
hxt-regex-xmlschema
hxt-unicode
ieee754
IfElse
instant-generics Updated Haskell packages. 2012-04-03 18:37:58 +00:00
io-choice Updated Haskell packages. 2012-03-25 19:33:53 +00:00
io-storage
IORefCAS Added missing meta.maintainers tags. 2012-05-07 09:38:04 +00:00
irc
iteratee Updated Haskell packages. 2012-06-15 08:06:11 +00:00
ivor
jpeg
JsContracts
json
jsonTypes
JuicyPixels haskell-JuicyPixels: add meta.maintainer 2012-07-14 10:55:23 +02:00
language-c Adding NVIDIA CUDA toolkit and haskell-accelerate-cuda plus deps. 2012-05-20 17:38:03 +00:00
language-c-quote haskell-language-c-quote: update to version 0.3.2 2012-07-14 11:14:39 +02:00
language-haskell-extract
language-javascript Updated Haskell packages. 2012-04-26 08:01:34 +00:00
largeword haskell-largeword: update to version 1.0.2 2012-07-14 11:14:39 +02:00
lazysmallcheck
leksah Updated Haskell packages. 2012-06-20 10:56:24 +00:00
libmpd Updated Haskell packages. 2012-04-23 09:34:01 +00:00
lifted-base Update Haskell packages. 2012-07-02 10:46:19 +02:00
ListLike Updated Haskell packages. 2012-06-15 08:06:11 +00:00
logfloat
ltk Updated Haskell packages. 2012-06-05 08:31:42 +00:00
mainland-pretty haskell-mainland-pretty: update to version 0.1.3.0 2012-07-14 11:14:39 +02:00
math-functions
maude haskell-maude: update to version 0.6.1 2012-07-14 11:02:38 +02:00
MaybeT
MemoTrie Updated Haskell packages. 2012-05-11 13:04:35 +00:00
mersenne-random-pure64
mime-mail
mime-types haskell-mime-types: add version 0.1.0.0 2012-07-14 11:01:59 +02:00
MissingH
mmap Updated Haskell packages. 2012-06-28 14:50:44 +02:00
monad-control Update Haskell packages. 2012-07-02 10:46:19 +02:00
monad-loops haskell-monad-loops: updated to version 0.3.3.0 2012-05-31 07:24:50 +00:00
monad-par Updated Haskell packages. 2012-05-07 09:36:49 +00:00
monad-par-extras Updated Haskell packages. 2012-05-15 11:50:48 +00:00
monad-peel
MonadCatchIO-mtl
MonadCatchIO-transformers Updated Haskell packages. 2012-04-19 11:16:36 +00:00
monadcryptorandom haskell-monadcryptorandom: updated to version 0.4.1 2012-04-19 15:11:55 +00:00
MonadPrompt
MonadRandom Updated Haskell packages. 2012-06-20 10:56:24 +00:00
monads-tf
mongoDB Updated Haskell packages. 2012-06-15 08:06:11 +00:00
mpppc
mtl Updated Haskell packages. 2012-06-28 14:50:44 +02:00
mtlparse
multiarg Update Haskell packages. 2012-07-02 10:46:19 +02:00
multiplate haskell-multiplate: patched to support current mtl and transformers 2012-05-29 21:26:15 +00:00
multirec Updated Haskell packages. 2012-06-13 07:08:57 +00:00
multiset
murmur-hash
mwc-random
NanoProlog
network Updated Haskell packages. 2012-06-04 09:24:14 +00:00
network-conduit Updated Haskell packages. 2012-05-09 11:25:59 +00:00
non-negative
numeric-prelude Updated Haskell packages. 2012-05-14 09:56:52 +00:00
NumInstances
numtype
ObjectName removed executable bits from Nix files 2012-04-03 06:31:19 +00:00
OneTuple
OpenAL
OpenGL Adapted the ghc-7.4.1 package version defaults to upcoming Platform release. 2012-05-09 17:21:37 +00:00
OpenGLRaw
pandoc Update Haskell packages. 2012-07-02 10:46:19 +02:00
pandoc-types
pango
parallel Updated Haskell packages. 2012-05-28 10:23:20 +00:00
parseargs
parsec Updated Haskell packages. 2012-06-12 08:39:32 +00:00
parsimony
path-pieces Updated Haskell packages. 2012-04-03 06:31:11 +00:00
Pathfinder
pathtype
pcre-light
pem Updated Haskell packages. 2012-04-19 11:16:36 +00:00
permutation
persistent Updated Haskell packages. 2012-05-09 11:25:59 +00:00
persistent-postgresql Packages needed for Yesod + Postgresql development 2012-07-15 14:40:58 -04:00
persistent-sqlite Updated Haskell packages. 2012-05-09 11:25:59 +00:00
persistent-template Updated Haskell packages. 2012-05-15 11:50:48 +00:00
pgm Adding NVIDIA CUDA toolkit and haskell-accelerate-cuda plus deps. 2012-05-20 17:38:03 +00:00
polyparse
pool-conduit Updated Haskell packages. 2012-05-15 11:50:48 +00:00
postgresql-libpq Packages needed for Yesod + Postgresql development 2012-07-15 14:40:58 -04:00
postgresql-simple Packages needed for Yesod + Postgresql development 2012-07-15 14:40:58 -04:00
ppm
pretty-show
primitive
process-extras haskell-process-extras: add version 0.1.0 2012-07-14 11:02:12 +02:00
prolog Updated Haskell packages. 2012-06-28 14:50:44 +02:00
prolog-graph
prolog-graph-lib Updated Haskell packages. 2012-06-28 14:50:44 +02:00
PSQueue
pureMD5
pwstore-fast
QuickCheck haskell-QuickCheck: added version 2.5 2012-06-18 15:22:01 +00:00
random
random-fu Updated Haskell packages. 2012-06-03 18:26:09 +00:00
random-shuffle Updated Haskell packages. 2012-06-20 10:56:24 +00:00
random-source removed executable bits from Nix files 2012-04-03 06:31:19 +00:00
Ranged-sets
ranges
reactive-banana haskell-reactive-banana: updated to version 0.6.0.0 2012-05-16 08:58:34 +00:00
reactive-banana-wx Updated Haskell packages. 2012-06-28 14:50:44 +02:00
readline
recaptcha
regex-base
regex-compat
regex-pcre haskell-regex-pcre: updated to version 0.94.4 2012-05-31 07:24:54 +00:00
regex-pcre-builtin
regex-posix Updated Haskell packages. 2012-05-28 10:23:20 +00:00
regex-tdfa
regexpr
regular
remote Add haskell-remote. 2012-07-01 18:58:50 +02:00
repa Updated Haskell packages. 2012-06-06 08:08:25 +00:00
repa-algorithms Updated Haskell packages. 2012-06-06 08:08:25 +00:00
repa-examples Updated Haskell packages. 2012-06-06 08:08:25 +00:00
repa-io Updated Haskell packages. 2012-06-06 08:08:25 +00:00
RepLib Updated Haskell packages. 2012-06-06 08:08:25 +00:00
repr
resource-pool
resourcet haskell-resourcet: update to version 0.3.3.1 2012-06-29 12:05:29 +02:00
RSA Updated Haskell packages. 2012-04-25 10:12:44 +00:00
rvar Updated Haskell packages. 2012-04-16 12:07:58 +00:00
safe
SDL
SDL-image
SDL-mixer
SDL-ttf
semigroups Updated Haskell packages. 2012-05-11 13:04:35 +00:00
sendfile
SHA haskell-SHA: update to version 1.5.1 2012-07-14 11:14:38 +02:00
shakespeare Updated Haskell packages. 2012-05-15 11:50:48 +00:00
shakespeare-css Updated Haskell packages. 2012-05-15 11:50:48 +00:00
shakespeare-i18n Updated Haskell packages. 2012-05-15 11:50:48 +00:00
shakespeare-js Updated Haskell packages. 2012-05-28 10:23:20 +00:00
shakespeare-text Updated Haskell packages. 2012-05-15 11:50:48 +00:00
Shellac haskell-Shellac-haskeline: patched to support current mtl and transformers 2012-05-29 21:25:45 +00:00
shelly haskell-shelly: update to version 0.13.0.1 2012-07-14 11:14:39 +02:00
simple-sendfile Updated Haskell packages. 2012-06-28 14:50:44 +02:00
skein Updated Haskell packages. 2012-04-23 09:34:01 +00:00
smallcheck
SMTPClient
snap Updated Haskell packages. 2012-06-18 09:52:42 +00:00
socks
split Updated Haskell packages. 2012-06-08 13:38:20 +00:00
srcloc haskell-srcloc: update to version 0.1.2 2012-07-14 11:14:40 +02:00
stateref
StateVar removed executable bits from Nix files 2012-04-03 06:31:19 +00:00
statistics
stb-image
stm haskell-stm: add version 2.4 2012-07-05 11:22:35 +02:00
storable-complex
storable-record Updated Haskell packages. 2012-04-16 12:07:58 +00:00
Stream
streamproc removed executable bits from Nix files 2012-04-03 06:31:19 +00:00
strict
strictConcurrency
string-combinators
stringsearch Updated Haskell packages. 2012-06-18 09:52:42 +00:00
svgcairo Updated Haskell packages. 2012-05-28 10:23:20 +00:00
syb haskell-syb: add version 0.3.7 2012-07-05 11:22:35 +02:00
symbol haskell-symbol: update to version 0.1.3 2012-07-14 11:14:40 +02:00
system-fileio haskell-system-fileio: update to version 0.3.9 2012-07-14 11:14:40 +02:00
system-filepath
TableAlgebra
tabular
tagged Updated Haskell packages. 2012-05-11 13:04:35 +00:00
tagsoup
temporary
Tensor removed executable bits from Nix files 2012-04-03 06:31:19 +00:00
terminfo
test-framework
test-framework-hunit
test-framework-quickcheck Updated Haskell packages. 2012-05-02 09:25:23 +00:00
test-framework-quickcheck2 Updated Haskell packages. 2012-05-02 09:25:23 +00:00
test-framework-th
testpack
texmath Updated Haskell packages. 2012-05-07 09:36:49 +00:00
text Updated Haskell packages. 2012-06-18 09:52:42 +00:00
th-extras
th-lift
thespian
threadmanager
time
tls haskell-tls: update to version 0.9.6 2012-07-05 11:22:35 +02:00
tls-extra haskell-tls-extra: updated to version 0.4.6 2012-04-20 11:35:13 +00:00
transformers
transformers-base
tuple
type-equality Updated Haskell packages. 2012-04-03 18:37:58 +00:00
unbound Updated Haskell packages. 2012-06-06 08:08:25 +00:00
uniplate
uniqueid
unix-compat
unordered-containers
url
utf8-light
utf8-string
utility-ht
uu-parsinglib
uulib
vacuum
vacuum-cairo
vault Updated Haskell packages. 2012-05-03 07:23:57 +00:00
Vec haskell-Vec: update to version 1.0 2012-07-14 11:14:38 +02:00
vector
vector-algorithms
vector-space Updated Haskell packages. 2012-05-11 13:04:35 +00:00
void Updated Haskell packages. 2012-06-18 09:52:42 +00:00
vty Updated Haskell packages. 2012-05-28 10:23:20 +00:00
wai Updated Haskell packages. 2012-06-28 14:50:44 +02:00
wai-app-static Updated Haskell packages. 2012-06-28 14:50:44 +02:00
wai-extra Updated Haskell packages. 2012-06-15 08:06:11 +00:00
wai-logger
warp Updated Haskell packages. 2012-06-28 14:50:44 +02:00
WebBits Updated Haskell packages. 2012-05-11 13:04:35 +00:00
WebBits-Html
wl-pprint-text
wxHaskell haskell-wxcore: update to version 0.90.0.3 2012-07-05 11:22:36 +02:00
X11 Updated Haskell packages. 2012-04-01 19:51:53 +00:00
X11-xft
xhtml Added prerelease version of haskell-platform-2012.2.0.0 2012-05-20 21:04:52 +00:00
xml
xml-conduit Updated Haskell packages. 2012-05-15 11:50:48 +00:00
xml-types Updated Haskell packages. 2012-06-28 14:50:44 +02:00
xss-sanitize Updated Haskell packages. 2012-05-15 11:50:48 +00:00
yaml Updated Haskell packages. 2012-06-05 08:31:42 +00:00
yap
yesod Updated Haskell packages. 2012-05-15 11:50:48 +00:00
yesod-auth Updated Haskell packages. 2012-05-15 11:50:48 +00:00
yesod-core haskell-yesod-core: update to version 1.0.1.3 2012-07-05 11:22:36 +02:00
yesod-default Updated Haskell packages. 2012-05-15 11:50:48 +00:00
yesod-form Updated Haskell packages. 2012-05-15 11:50:48 +00:00
yesod-json haskell-yesod-json: update to version 1.0.1.0 2012-07-14 11:14:40 +02:00
yesod-persistent Updated Haskell packages. 2012-05-15 11:50:48 +00:00
yesod-routes Updated Haskell packages. 2012-05-15 11:50:48 +00:00
yesod-static Updated Haskell packages. 2012-05-28 10:23:20 +00:00
yst
zeromq-haskell
zip-archive Updated Haskell packages. 2012-04-06 19:48:24 +00:00
zipper
zlib
zlib-bindings Updated Haskell packages. 2012-04-05 16:51:59 +00:00
zlib-conduit Updated Haskell packages. 2012-06-28 14:50:44 +02:00
zlib-enum Updated Haskell packages. 2012-04-26 08:01:34 +00:00
Zwaluw