Module builders 

Wrapper types that exist to support the creation of dictionary codecs.

These types interpose at the seal() call, to traverse the data that is being sealed and then construct codecs that are used to encode the row-shaped keys and values. There are several variants, corresponding to the RowRow, RowVal, and Row-only spine types.

Structs

RowBuilder

RowRowBuilder

RowValBuilder

ValRowBuilder

Mirror of RowValBuilder with the roles swapped: arbitrary keys and Row values, so the dictionary codec is built for and installed on the value container.

Functions

build_codec 🔒

Gather encoding statistics across rows and produce a codec from them.