package orsetto

Use !: m as an abbreviation of Element.required m.

Use !? m as an abbreviation of Element.optional m.

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 m /= f as an abbreviation of cast f m

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.