pub fn parse_statement(input: &str) -> Result<Statement, ShapeError>Expand description
Parses one top-level statement: a rule, or an attr / const / style
declaration.
attr Floors = 4
const FloorH = 3.2
style Poor { Floors = 2, Wear = 0.8 }
style Rich extends Poor { Floors = 6 }
Lot --> Extrude(Floors * FloorH) I("Mass")