map package:daml-finance

Replace parameters in an `Claim` with actual values.
The functor map operation _and_ also map any parameters to keys. For example, could map the param "spot" to an ISIN code "GB123456789". Also contra-maps time parameter, i.e. from relative time values to absolute ones. @ mapParams identity = bimap
Like `map`, but the mapping function includes the zero-based index of the item.
A one time only lock.
Parties mapped to a specific key (or context). The textual key is the "context" which describes the value set of parties. Allows for processes to add/remove parties for their specific purpose.