package lwt

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Promises and event-driven I/O

Install 

dune-project
 Dependency

github.com Edit opam file Versions (30)

Authors

  1. J
    Jérôme Vouillon
  2. J
    Jérémie Dimino

Maintainers

  1. R
    Raphaël Proust <code@bnwr.net>
  2. Anton Bachin

Sources

5.7.0.tar.gz
md5=737039d29d45b2d2b35db6931c8d75c6
sha512=42e629920783428673b99c9d7a639237c9e6b35079b5d907bc67e7ea506acf9edadc48cec580bdcfd2410ed9412bf5e6bcc8b09de2fa7d35ce1490973d05ddd1

Description

A promise is a value that may become determined in the future.

Lwt provides typed, composable promises. Promises that are resolved by I/O are resolved by Lwt in parallel.

Meanwhile, OCaml code, including code creating and waiting on promises, runs in a single thread by default. This reduces the need for locks or other synchronization primitives. Code can be run in parallel on an opt-in basis.

Published: 17 Aug 2023

Dependencies (5)

  1. ocplib-endian
  2. ocaml >= "4.08"
  3. dune-configurator
  4. dune >= "1.8.0"
  5. cppo build & >= "1.1.0"

Dev Dependencies (1)

  1. ocamlfind with-dev-setup & >= "1.7.3-1"

  1. 0install >= "2.15.1"
  2. aches-lwt
  3. activitypub
  4. albatross
  5. alcotest-lwt
  6. alcotest-mirage
  7. ambient-context-lwt
  8. amqp-client >= "1.1.0"
  9. amqp-client-lwt
  10. angstrom-lwt-unix >= "0.11.0"
  11. anthill
  12. anycache-lwt
  13. archi-lwt
  14. arp
  15. awa-mirage
  16. aws-lwt
  17. aws-s3-lwt < "4.4.0" | >= "4.8.1"
  18. awsm-lwt
  19. azure-cosmos-db
  20. balancer
  21. bastet_lwt
  22. bimage-lwt
  23. bistro
  24. brisk-reconciler
  25. brozip
  26. builder
  27. builder-web
  28. bun >= "0.3.3"
  29. cachet-lwt
  30. calculon
  31. caldav
  32. camltc
  33. canary
  34. capnp-rpc-lwt < "2.0"
  35. capnp-rpc-unix < "2.1"
  36. caqti-lwt
  37. caqti-mirage
  38. carton < "1.0.0"
  39. carton-git
  40. carton-lwt
  41. catala-format >= "0.2.0"
  42. cf-lwt
  43. chamelon
  44. chamelon-unix
  45. chamo
  46. charrua-client
  47. charrua-unix
  48. chess_com_api
  49. clz
  50. cmdtui-lambda-term
  51. coap
  52. coap-server-lwt
  53. cohttp-curl-lwt
  54. cohttp-lwt
  55. cohttp-lwt-jsoo
  56. cohttp-lwt-unix
  57. cohttp-mirage
  58. cohttp-server-lwt-unix
  59. comby
  60. comby-semantic
  61. conan-lwt
  62. conduit-lwt
  63. conduit-lwt-unix
  64. cowabloga
  65. crunch
  66. cstruct-lwt
  67. csv-lwt
  68. ctypes >= "0.15.0" & < "0.21.1"
  69. ctypes-foreign >= "0.21.1"
  70. curl_lwt
  71. current
  72. current-albatross-deployer
  73. current_docker
  74. current_examples
  75. current_git
  76. current_github
  77. current_gitlab
  78. current_ocluster
  79. current_rpc
  80. current_slack
  81. current_web
  82. dap
  83. data-encoding < "0.1.1"
  84. devkit >= "1.2"
  85. distributed-lwt
  86. dkim-bin < "0.8.0"
  87. dkim-lwt-unix
  88. dkim-mirage
  89. dlm
  90. dmarc
  91. dns-certify
  92. dns-cli
  93. dns-client < "7.0.3"
  94. dns-client-lwt
  95. dns-client-mirage
  96. dns-forward
  97. dns-forward-lwt-unix
  98. dns-lwt
  99. dns-mirage
  100. dns-resolver
  101. dns-server
  102. dns-stub
  103. dnssd
  104. docker_hub
  105. docteur >= "0.0.2"
  106. docteur-solo5
  107. docteur-unix >= "0.0.5"
  108. doi2bib
  109. dream
  110. dream-httpaf
  111. dream-pure
  112. dream-serve
  113. dropbox
  114. dune >= "3.17.2"
  115. dune-rpc-lwt
  116. earlybird
  117. elasticsearch-cli
  118. emoji = "2.0.0"
  119. equinoxe
  120. ethernet
  121. ez_api >= "1.2.0"
  122. ezcurl-lwt
  123. ezjs_min < "0.2"
  124. ezjsonm-lwt
  125. ezresto
  126. ezresto-directory >= "0.5"
  127. faraday-lwt
  128. faraday-lwt-unix
  129. fat-filesystem
  130. fiber-lwt
  131. fsevents-lwt
  132. fswatch_lwt
  133. fuseau-lwt
  134. gdbprofiler
  135. git
  136. git-cohttp
  137. git-cohttp-unix
  138. git-mirage
  139. git-paf
  140. git-unix >= "3.2.0"
  141. github
  142. github-hooks
  143. github-unix >= "4.4.0"
  144. gitlab-unix
  145. gitlab_pipeline_notifier
  146. gluten-lwt
  147. gluten-lwt-unix < "0.4.0"
  148. gluten-mirage < "0.4.0"
  149. graphql-lwt
  150. gremlin
  151. grpc-lwt
  152. guardian
  153. gufo
  154. h1
  155. h1-lwt-unix
  156. h2-lwt
  157. h2-lwt-unix < "0.10.0"
  158. h2-mirage
  159. happy-eyeballs-lwt
  160. happy-eyeballs-mirage
  161. hidapi-lwt
  162. hiredis >= "0.6"
  163. hl_yaml
  164. hockmd
  165. http-lwt-client
  166. http-mirage-client
  167. http-multipart-formdata >= "2.0.0" & < "3.0.0"
  168. httpaf-lwt-unix
  169. httpun-lwt
  170. httpun-mirage
  171. httpun-ws-lwt
  172. hvsock
  173. i3ipc
  174. influxdb-lwt
  175. inotify >= "2.4"
  176. inquire < "0.3.0"
  177. interface-prime-lwt
  178. ip2location
  179. ip2locationio
  180. ip2whois
  181. ipv6-multicast-lwt
  182. irc-client-lwt
  183. irc-client-lwt-ssl
  184. irc-client-tls
  185. irmin
  186. irmin-bench
  187. irmin-chunk
  188. irmin-cli
  189. irmin-client
  190. irmin-containers
  191. irmin-fs
  192. irmin-git
  193. irmin-graphql
  194. irmin-http
  195. irmin-indexeddb
  196. irmin-layers
  197. irmin-mirage-git
  198. irmin-mirage-graphql
  199. irmin-pack
  200. irmin-server
  201. irmin-test
  202. irmin-unix
  203. irmin-watcher
  204. joolog
  205. jose < "0.9.0"
  206. js_of_ocaml-lwt >= "3.5.0"
  207. jsoo_broadcastchannel
  208. jsoo_storage
  209. jupyter
  210. jupyter-kernel
  211. kafka < "0.5"
  212. kafka_lwt
  213. kappa-agents >= "4.1.3"
  214. kappa-binaries >= "4.1.3"
  215. kappa-library
  216. ke >= "0.5"
  217. kinetic-client
  218. kubecaml
  219. lambda-runtime
  220. lambda-term
  221. lambda_streams_lwt
  222. launchd
  223. ldp
  224. learn-ocaml
  225. learn-ocaml-client
  226. ledgerwallet >= "0.4.0"
  227. letsencrypt
  228. letsencrypt-app
  229. letsencrypt-dns
  230. letters
  231. lichess_api
  232. links >= "0.9.1"
  233. linol-lwt
  234. llama
  235. lru_cache
  236. lwt-canceler
  237. lwt-dllist
  238. lwt-exit
  239. lwt-parallel
  240. lwt-pipe
  241. lwt-pipeline
  242. lwt-watcher
  243. lwt_camlp4
  244. lwt_domain
  245. lwt_eio
  246. lwt_glib
  247. lwt_log
  248. lwt_ppx < "6.0.0~beta01"
  249. lwt_react
  250. lwt_retry
  251. lwt_ssl
  252. mariadb >= "1.2.0"
  253. markdown_monolith
  254. markup = "0.7.6"
  255. markup-lwt
  256. mdx
  257. mechaml
  258. mehari-lwt-unix
  259. mehari-mirage
  260. memtrace-mirage
  261. metrics-influx
  262. metrics-lwt
  263. metrics-unix
  264. mimic
  265. mindstorm-lwt
  266. mirage < "4.0.0"
  267. mirage-block >= "2.0.1"
  268. mirage-block-ccm
  269. mirage-block-combinators
  270. mirage-block-lwt
  271. mirage-block-partition
  272. mirage-block-ramdisk
  273. mirage-block-solo5
  274. mirage-block-unikraft
  275. mirage-block-unix >= "2.14.2"
  276. mirage-block-xen
  277. mirage-channel >= "4.0.1"
  278. mirage-channel-lwt
  279. mirage-clock-lwt
  280. mirage-clock-unix < "4.2.0"
  281. mirage-console-lwt
  282. mirage-crypto-rng < "0.11.3"
  283. mirage-crypto-rng-lwt
  284. mirage-crypto-rng-mirage
  285. mirage-device >= "2.0.0"
  286. mirage-flow >= "3.0.0"
  287. mirage-flow-combinators
  288. mirage-flow-lwt
  289. mirage-flow-unix
  290. mirage-fs >= "4.0.0"
  291. mirage-fs-lwt
  292. mirage-kv >= "3.0.1"
  293. mirage-kv-lwt
  294. mirage-kv-unix
  295. mirage-net >= "4.0.0"
  296. mirage-net-lwt
  297. mirage-net-macosx
  298. mirage-net-solo5
  299. mirage-net-unikraft
  300. mirage-net-unix
  301. mirage-net-xen
  302. mirage-profile
  303. mirage-protocols >= "7.0.0"
  304. mirage-protocols-lwt
  305. mirage-qubes
  306. mirage-qubes-ipv4
  307. mirage-runtime
  308. mirage-sleep
  309. mirage-solo5
  310. mirage-stack = "3.0.0"
  311. mirage-stack-lwt
  312. mirage-time >= "3.0.0"
  313. mirage-time-lwt
  314. mirage-time-unix
  315. mirage-types-lwt
  316. mirage-unikraft
  317. mirage-unix
  318. mirage-vnetif
  319. mirage-xen
  320. monorobot
  321. moonpool-lwt
  322. mqtt
  323. mrmime >= "0.5.0"
  324. multipart-form-data
  325. multipart_form >= "0.2.0" & < "0.4.0"
  326. multipart_form-cohttp-lwt < "0.6.0"
  327. multipart_form-lwt
  328. mwt
  329. naboris
  330. nbd >= "4.0.3"
  331. nbd-tool
  332. nbd-unix
  333. neo4j_bolt
  334. nocrypto
  335. nottui-lwt
  336. notty-community
  337. nproc
  338. nsq
  339. obuilder
  340. obus >= "1.2.1"
  341. ocluster
  342. ocluster-api
  343. ocluster-worker
  344. ocplib-resto
  345. ocsigenserver
  346. ocsipersist
  347. ocsipersist-dbm
  348. ocsipersist-lib
  349. ocsipersist-pgsql
  350. ocsipersist-sqlite
  351. oframl
  352. ojs-base
  353. ojs_base
  354. omigrate
  355. oneffs
  356. opam-check-npm-deps >= "4.1.0"
  357. opencage
  358. opentelemetry-client-cohttp-lwt
  359. opentelemetry-cohttp-lwt >= "0.4"
  360. opentelemetry-lwt
  361. opium
  362. opium-graphql
  363. opium_kernel
  364. opomodoro
  365. order-i3-xfce
  366. ordma
  367. oskel >= "0.3.0"
  368. ounit-lwt < "2.2.0"
  369. ounit2-lwt
  370. owork
  371. ozulip
  372. paf
  373. paf-cohttp
  374. passage < "0.1.8"
  375. pcap-format < "0.5.2"
  376. petrol
  377. pgn_parser
  378. pgx_lwt
  379. pgx_lwt_mirage
  380. pgx_lwt_unix < "2.0"
  381. piaf < "0.2.0"
  382. picos >= "0.3.0" & < "0.5.0"
  383. picos_lwt
  384. picos_meta
  385. plebeia >= "2.0.0"
  386. plist-xml-lwt
  387. plotkicadsch
  388. ppx_defer >= "0.4.0"
  389. ppx_deriving_rpc
  390. ppx_rapper_lwt
  391. proc-smaps
  392. prof_spacetime
  393. prometheus
  394. prometheus-app
  395. promise_jsoo_lwt
  396. protocol-9p
  397. protocol-9p-unix
  398. proton
  399. pxshot
  400. qcow
  401. qcow-stream
  402. qcow-tool
  403. qcow-types
  404. qdrant < "0.2.0"
  405. qfs >= "0.5"
  406. quests
  407. quickterface
  408. rawlink < "2.1"
  409. rawlink-lwt
  410. rdf_json_ld
  411. rdf_lwt
  412. redis-lwt
  413. reparse-lwt
  414. reparse-lwt-unix
  415. resource-pooling
  416. resp
  417. resp-mirage >= "0.10.0"
  418. resp-unix >= "0.10.0"
  419. resto
  420. resto-cohttp-client >= "0.4"
  421. resto-cohttp-self-serving-client
  422. resto-cohttp-server >= "0.4" & < "0.6" | >= "0.9"
  423. resto-directory >= "0.4"
  424. riak
  425. ringo-lwt
  426. river
  427. rock
  428. rpclib-js
  429. rpclib-lwt
  430. SZXX < "4.0.0"
  431. sanddb
  432. scgi
  433. sendmail-lwt
  434. sendmail-mirage
  435. serial
  436. server-reason-react < "0.4.0"
  437. session-cohttp-lwt
  438. session-cookie-lwt
  439. session-postgresql-lwt
  440. sessions
  441. shared-block-ring
  442. shared-memory-ring-lwt
  443. sherlodoc
  444. sihl < "0.2.0"
  445. slack
  446. slacko
  447. slipshow
  448. smtml >= "0.7.0"
  449. speed
  450. spin < "0.8.0"
  451. spoke
  452. stk
  453. stog
  454. swapfs
  455. syguslib-utils
  456. syndic >= "1.4" & < "1.6.0"
  457. tar-mirage
  458. tar-unix
  459. tcpip
  460. telegraml
  461. terminus
  462. testcontainers
  463. testo-lwt
  464. tezt
  465. tidy_email
  466. timmy-lwt
  467. tls >= "0.10.6" & < "0.16.0"
  468. tls-lwt
  469. tls-mirage
  470. tube
  471. tuntap
  472. twirp_cohttp_lwt_unix
  473. uring
  474. uspf
  475. uspf-lwt
  476. uspf-mirage
  477. utcp
  478. utop
  479. uwt
  480. vchan
  481. vchan-unix
  482. vchan-xen
  483. vercel
  484. vhd-format-lwt
  485. vmnet
  486. vpnkit
  487. vue-jsoo < "0.3"
  488. wayland < "2.0"
  489. webauthn
  490. xen-evtchn
  491. xen-evtchn-unix
  492. xen-gnt
  493. xen-gnt-unix
  494. xenstore
  495. xenstore-tool
  496. xenstore_transport
  497. xlsx2csv
  498. yocaml_git
  499. yocaml_unix < "2.0.0"
  500. zarr-lwt
  501. zmq-lwt >= "5.2.1"

Conflicts

None