pub fn from_fused_row(
spec: &FusedRowSpec,
names: &FusedRowNames,
fills: &FusedRowFills,
target: &SpatialTarget,
) -> Result<SpatialProgram, SpatialReject>pub fn from_fused_row(
spec: &FusedRowSpec,
names: &FusedRowNames,
fills: &FusedRowFills,
target: &SpatialTarget,
) -> Result<SpatialProgram, SpatialReject>