module Tags: Biocaml_tags
exception Invalid of string
Raised when an invalid tag or incompatible list of tags is encounted.
type
Collection of tags, which classify a data format.
val of_string : string -> t
Parse given string as list of tags. Raise Invalid if any tags
invalid, or if list of tags are incompatible.
val mem : string -> t -> bool
mem x t returns true if t contains a value for tag x.
val find : string -> t -> string
find x t returns the value of tag x in t. Raise
Not_found if t does not contain value for x.
val tag_is : string -> string -> t -> bool
tag_is x y t returns true if x=y in t, or false if tag
x assigned some other value or not found in t.