Cf_data_ingest.AffixA submodule containing affix operators the provide a convenient and idiosyncratic syntax for composing record and structure models.
Use m $= v as an abbreviation of Element.default m v.
Use k %: m as an abbreviation of Field.required k m.
Use k %? m as an abbreviation of Field.default k m.
Use k %= (m, v) as an abbreviation of Field.default k m v.
Use b @> g as an abbreviation of bind b g. Note well: this operator is right-associative to facilitate an idiosyncratic usage. Group expressions like b1 @> b2 @> b3 @> nil comprise a triple of three elements in the sequence that reads from left to right.