def ptl_v
import bendtorch@1.3.0.0/main.bend as Bendtorchimport Base
3410# reading a leaf back: fresh buffers filled from xs
3411def ptl_v(+n: U32, m: Array<U32>, +off: U32, r: UA) -> PTA:
3412 match r:
3413 case UA{v, xs}: PTA{PLeaf{n, m, v}, xs, (off + ph_hw(n) : U32)}