pub fn place_with_target(
cells: &[LoopCell],
n_in: usize,
next: &[Src],
target: &FabricTarget,
) -> Result<Grid, Unplaceable>Expand description
Place a dataflow body onto a DESCRIBED target: gate every cell against the target’s capability set, place
with the certified route_loop_body, gate the placed shape against the described array, then pad onto it.
Returns the placed+padded Grid, or a typed Unplaceable — a correct grid or a named refusal.