Expression.literal constructor
Implementation
factory Expression.literal((double, PxUnit) lt) => switch(lt.$2){
PxUnit.wpc => Expression(landscapeWpc: lt.$1, portraitWpc: lt.$1),
PxUnit.vw => Expression(landscapeWpc: lt.$1 / 100, portraitWpc: lt.$1 / 100),
PxUnit.rpx => Expression(landscapeWpc: lt.$1 / 750, portraitWpc: lt.$1 / 750),
PxUnit.hpc => Expression(landscapeHpc: lt.$1, portraitHpc: lt.$1),
PxUnit.vh => Expression(landscapeHpc: lt.$1 / 100, portraitHpc: lt.$1 / 100),
PxUnit.vmin => Expression(landscapeHpc: lt.$1 / 100, portraitWpc: lt.$1 / 100),
PxUnit.vmax => Expression(landscapeWpc: lt.$1 / 100, portraitHpc: lt.$1 / 100),
PxUnit.px => Expression(landscapePx: lt.$1, portraitPx: lt.$1),
};