package ui import "opslag.de/schobers/geom" type Length struct { float32 } func (l *Length) Value() float32 { if l == nil { return 0 } return l.float32 } func (l *Length) Zero(value float32) float32 { if l == nil { return value } return l.Value() } func Fixed(l float32) *Length { return &Length{l} } func Infinite() *Length { return &Length{geom.NaN32()} } type SideLengths struct { Left *Length Top *Length Right *Length Bottom *Length }