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package conformist
A field of type ('meta, 'a) t represents the static type 'a and it can hold arbitrary meta data of type 'meta. That meta data can be used to build functionality on top of conformist.
val meta : 'a any_field -> 'a optionmeta field returns an optional meta data of a field. This can be used to store arbitrary meta data in each field. Note that the type of the meta data has to be the same for all fields.
val name : 'a any_field -> stringname field returns the name of the field, which uniquely identifies the field within one schema.
val validate : 'a any_field -> string -> string optionvalidate field string decodes a string and runs the field's validation logic on the decoded value. Both decoding and validation might fail, which results in an error string.
val optional : 'a any_field -> booloptional field turns a field into an optional field. This means that input that doesn't contain a value for the field will yield in a valid field.