def moves

ezx@1.11.0.0 · src/ws/moved.bend:147

import Base

147# every member the lock records that moves: `now` the members as they are,
148# `base` as they were before any line was rewritten
149def moves(
150  old: List<&2, Held>,
151  +now: List<&2, Held>,
152  +base: List<&2, Held>,
153  +only: String
154) -> List<&2, Shift>:
155  match old:
156    case []:
157      []
158    case Held{+path, _name, +hash} <> tl:
159      rest = moves(tl, now, base, only)
160      move.found(at(now, path), hash.of(at(base, path)), hash, only, rest)