Module Eliom_wrap

type 'a wrapped_value
type +'a wrapper

'a wrapper is the type of values to include into a value of type 'a for it to be wrapped specifically

val create_wrapper : ('a -> 'b) -> 'a wrapper

create f create a new tag that can be included into a value. if wrap is called on a father of a value v containing a tag, the value v will be replaced by f v before marshaling.

marshal a value, taking into account the tags.

val wrap : 'a -> 'a wrapped_value
val empty_wrapper : 'a wrapper

a wrapper that do not change the value