package validator
Create a record validator via composable sub-validators
Install
Dune Dependency
Authors
Maintainers
Sources
validator-0.2.3.tbz
sha256=c54012be18ee9ebe850b0f051fd3ffc5ffd86879c9f74a7133c97a77ce9ab6ce
sha512=8a392666a3afc7637551f81cdcecb2071c048844552fe4cd28d4314b6229bb19bd7197460c509fa82bf9bdcf5e76b3b89d0a98963689b98dd7d9f8596e031ed2
Description
Create a record validator via composable sub-validators
Published: 27 Aug 2021
README
Validator
Create a record validator via composable sub-validators
Installation
Using Opam
opam install validator
Using Esy
esy add @opam/validator
Usage
In OCaml
type input_form = {
name: string;
email: string option;
age: int;
}
type valid_form = {
name: string;
email: string;
age: int;
}
let build_valid_form name email age =
{ name; email; age }
let validator_name =
let open Validator in
string_is_not_empty "Empty"
|> compose
(string_has_min_length 3 "Name is too short")
let validator_email =
let open Validator in
option_is_some "Missing email"
|> compose (string_is_email "Not an email")
let validator_age =
let open Validator in
int_min 13 "Must be 13"
let validator (input: input_form) =
let open Validator in
build build_valid_form
|> validate input.name validator_name
|> validate input.email validator_email
|> validate input.age validator_age
validator { name = "Sam"; email = Some "sam@sample.com"; age = 20}
==>
Ok { name = "Sam"; email = "sam@sample.com"; age = 20}
Contributing
Take a look at our Contributing Guide.
Dev Dependencies (3)
-
odoc
with-doc
-
ppx_deriving
with-test
-
alcotest
with-test
Used by
None
Conflicts
None
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