def bounds.expand
import gralha-svg-render@0.1.0.1/svg.bend as Svgimport Base
4005def bounds.expand(b: Bounds, +margin: F32) -> Bounds:
4006 Bounds{x0, y0, x1, y1} = b
4007 Bounds{(x0 - margin : F32), (y0 - margin : F32), (x1 + margin : F32), (y1 + margin : F32)}