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1opam-version: "2.0"
2authors: ["Petter A. Urkedal"]
3maintainer: "paurkedal@gmail.com"
4homepage: "https://github.com/paurkedal/ppx_compose/"
5bug-reports: "https://github.com/paurkedal/ppx_compose/issues"
6dev-repo: "git+https://github.com/paurkedal/ppx_compose.git"
7license: "LGPL-3.0-only WITH OCaml-LGPL-linking-exception"
8
9build: [
10 ["jbuilder" "build" "-p" name "-j" jobs]
11 ["jbuilder" "runtest" "-p" name "-j" jobs] {with-test}
12]
13depends: [
14 "ocaml" {>= "4.02.3"}
15 "jbuilder" {>= "1.0+beta7"}
16 "ocaml-migrate-parsetree" {< "2.0.0"}
17]
18synopsis: "Inlined Function Composition"
19description: """
20`ppx_compose` is a simple syntax extension which rewrites code containing
21function compositions into composition-free code, effectively inlining the
22composition operators. The following two operators are supported
23
24 let (%) g f x = g (f x)
25 let (%>) f g x = g (f x)
26
27Corresponding definitions are not provided, so partial applications of `(%)`
28and `(%>)` will be undefined unless you provide the definitions.
29
30The following rewrites are done:
31
32 * A composition occurring to the left of an application is reduced by
33 applying each term of the composition from right to left to the
34 argument, ignoring associative variations.
35
36 * A composition which is not the left side of an application is first
37 turned into one by η-expansion, then the above rule applies.
38
39 * Any partially applied composition operators are passed though unchanged.
40
41E.g.
42
43 h % g % f ==> (fun x -> h (f (g x)))
44 h % (g % f) ==> (fun x -> h (f (g x)))
45 (g % f) (h % h) ==> g (f (fun x -> h (h x)))"""
46url {
47 src:
48 "https://github.com/paurkedal/ppx_compose/releases/download/v0.0.4/ppx_compose-0.0.4.tbz"
49 checksum: [
50 "sha256=22e46520a7ff8a846e32e64324b3d65a3f7ea29d27d1260ae7423e9b45f609e2"
51 "md5=d597c0b1cf29402bbd29d821792c867e"
52 ]
53}