decodes an A from a field of a dbo.
decodes an A from a field of a dbo.
a key to look up in dbo
a DBObject.
a DecodeResult with an A if successful.
i'm not certain if this is useful.
i'm not certain if this is useful. it produces a decoder that uses this decoder and a second one to produce a pair of values decoded from a single field.
alias for decode
derives a new DecodeBsonField by passing a decoded value to a function that produces a DecodeBsonField which is then used to decode the field
derives a new DecodeBsonField by transforming decoded values
derives a new DecodeBsonField that first tries this one and then tries another one.
derives a new DecodeBsonField that first tries this one and then tries another one.
a supertype of A
that x
produces
the decoder to try after this one.
a new decoder.
alias for orElse
an instance of DecodeBsonField for a type A can extract an A from a field of a db object.