.TH "Eliom_content.Html5.Custom_data" 3o 2014-07-10 OCamldoc ""
.SH NAME
Eliom_content.Html5.Custom_data \- Type-safe custom data for HTML5.
.SH Module
Module   Eliom_content.Html5.Custom_data
.SH Documentation
.sp
Module
.BI "Custom_data"
 : 
.B sig  end

.sp
Type\-safe custom data for HTML5\&.
See the \&.
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.sp
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.I type 
.B 'a
.I t 

.sp
Custom data with values of type 
.B \&'a
\&.
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.I val create 
: 
.B name:string ->
.B   ?default:'a ->
.B   to_string:('a -> string) ->
.B   of_string:(string -> 'a) -> unit -> 'a t
.sp
Create a custom data field by providing string conversion functions\&.
If the 
.B default
is provided, calls to  return that instead of throwing an
exception 
.B Not_found
\&.
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.I val create_json 
: 
.B name:string ->
.B   ?default:'a -> 'a Deriving_Json.t -> 'a t
.sp
Create a custom data from a Json\-deriving type\&.
.sp

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.I val attrib 
: 
.B 'a t ->
.B   'a -> [> `User_data ] Eliom_content.Html5.attrib
.sp

.B attrib my_data value 
creates a HTML5 attribute for the custom\-data
type 
.B my_data
with value 
.B value
for injecting it into an a HTML5 tree
()\&.
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