Source file functor.ml
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
module Core (Req : Preface_specs.Functor.WITH_MAP) = Req
module Operation (Core : Preface_specs.Functor.CORE) = struct
type 'a t = 'a Core.t
include (
Indexed_functor.Operation (struct
type ('a, 'index) t = 'a Core.t
include (Core : Preface_specs.Functor.CORE with type 'a t := 'a Core.t)
end) :
Preface_specs.Indexed_functor.OPERATION with type ('a, _) t := 'a Core.t )
end
module Infix
(Core : Preface_specs.Functor.CORE)
(Operation : Preface_specs.Functor.OPERATION with type 'a t = 'a Core.t) =
struct
type 'a t = 'a Core.t
include (
Indexed_functor.Infix
(struct
type ('a, 'index) t = 'a Core.t
include (Core : Preface_specs.Functor.CORE with type 'a t := 'a Core.t)
end)
(struct
type ('a, 'index) t = 'a Operation.t
include (
Operation :
Preface_specs.Functor.OPERATION with type 'a t := 'a Core.t )
end) :
Preface_specs.Indexed_functor.INFIX with type ('a, _) t := 'a Core.t )
end
module Syntax (Core : Preface_specs.Functor.CORE) = struct
type 'a t = 'a Core.t
include (
Indexed_functor.Syntax (struct
type ('a, 'index) t = 'a Core.t
include (Core : Preface_specs.Functor.CORE with type 'a t := 'a Core.t)
end) :
Preface_specs.Indexed_functor.SYNTAX with type ('a, _) t := 'a Core.t )
end
module Via
(Core : Preface_specs.Functor.CORE)
(Operation : Preface_specs.Functor.OPERATION with type 'a t = 'a Core.t)
(Infix : Preface_specs.Functor.INFIX with type 'a t = 'a Core.t)
(Syntax : Preface_specs.Functor.SYNTAX with type 'a t = 'a Core.t) =
struct
type 'a t = 'a Core.t
include (
Indexed_functor.Via
(struct
type ('a, 'index) t = 'a Core.t
include (Core : Preface_specs.Functor.CORE with type 'a t := 'a Core.t)
end)
(struct
type ('a, 'index) t = 'a Core.t
include (
Operation :
Preface_specs.Functor.OPERATION with type 'a t := 'a Core.t )
end)
(struct
type ('a, 'index) t = 'a Core.t
include (Infix : Preface_specs.Functor.INFIX with type 'a t := 'a Core.t)
end)
(struct
type ('a, 'index) t = 'a Core.t
include (
Syntax : Preface_specs.Functor.SYNTAX with type 'a t := 'a Core.t )
end) :
Preface_specs.Indexed_functor.API with type ('a, _) t := 'a Core.t )
end
module Via_map (Req : Preface_specs.Functor.WITH_MAP) = struct
type 'a t = 'a Req.t
include (
Indexed_functor.Via_map (struct
type ('a, 'index) t = 'a Req.t
include (Req : Preface_specs.Functor.WITH_MAP with type 'a t := 'a Req.t)
end) :
Preface_specs.Indexed_functor.API with type ('a, _) t := 'a Req.t )
end
module Composition (F : Preface_specs.FUNCTOR) (G : Preface_specs.FUNCTOR) =
Via_map (struct
type 'a t = 'a G.t F.t
let map f x = F.map (G.map f) x
end)
module From_arrow (A : Preface_specs.ARROW) = Via_map (struct
type 'a t = (unit, 'a) A.t
let map f x = A.(x >>> arrow f)
end)
module From_applicative (Applicative : Preface_specs.APPLICATIVE) = Applicative
module From_alt (Alt : Preface_specs.ALT) = Alt
module From_monad (Monad : Preface_specs.MONAD) = Monad
module From_alternative (Alternative : Preface_specs.ALTERNATIVE) = Alternative
module From_monad_plus (Monad_plus : Preface_specs.MONAD_PLUS) = Monad_plus
module From_comonad (Comonad : Preface_specs.COMONAD) = Comonad
module From_bifunctor (Bifunctor : Preface_specs.Bifunctor.CORE) =
Via_map (struct
type 'a t = ('a, 'a) Bifunctor.t
let map f b = Bifunctor.bimap f f b
end)
module Sum (F : Preface_specs.FUNCTOR) (G : Preface_specs.FUNCTOR) = struct
type 'a sum =
| L of 'a F.t
| R of 'a G.t
include Via_map (struct
type 'a t = 'a sum
let map f = function L x -> L (F.map f x) | R x -> R (G.map f x)
end)
end
module Product (F : Preface_specs.FUNCTOR) (G : Preface_specs.FUNCTOR) =
Via_map (struct
type 'a t = 'a F.t * 'a G.t
let map f (x, y) = (F.map f x, G.map f y)
end)
module Index (F : Preface_specs.FUNCTOR) = struct
type ('a, 'index) t = 'a F.t
include (
Indexed_functor.Via
(struct
type nonrec ('a, 'index) t = ('a, 'index) t
include (F : Preface_specs.Functor.CORE with type 'a t := 'a F.t)
end)
(struct
type nonrec ('a, 'index) t = ('a, 'index) t
include (F : Preface_specs.Functor.OPERATION with type 'a t := 'a F.t)
end)
(struct
type nonrec ('a, 'index) t = ('a, 'index) t
include (F.Infix : Preface_specs.Functor.INFIX with type 'a t := 'a F.t)
end)
(struct
type nonrec ('a, 'index) t = ('a, 'index) t
include (
F.Syntax : Preface_specs.Functor.SYNTAX with type 'a t := 'a F.t )
end) :
Preface_specs.INDEXED_FUNCTOR with type ('a, 'index) t := ('a, 'index) t )
end