module Custom_data:sig
..end
Type-safe custom data for HTML. See the .
type 'a
t
Custom data with values of type 'a
.
val create : name:string ->
?default:'a ->
to_string:('a -> string) ->
of_string:(string -> 'a) -> unit -> 'a t
Create a custom data field by providing string conversion functions.
If the default
is provided, calls to return that instead of throwing an
exception Not_found
.
val create_json : name:string ->
?default:'a -> 'a Deriving_Json.t -> 'a t
Create a custom data from a Json-deriving type.
val attrib : 'a t ->
'a -> [> `User_data ] Eliom_content.Html.attrib
attrib my_data value
creates a HTML attribute for the custom-data
type my_data
with value value
for injecting it into an a HTML tree
().