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def step_back

bend-collections@1.0.0.0 · src/containers/internal/dlist_storage.bend:338

import bend-collections@1.0.0.0/src/containers/internal/dlist_storage.bend as DlistStorage
import Base

338def step_back(~T: Data, c: Cur<T>) -> Cur<T>:
339  C{vals, prevs, acc, +at} = c
340  step_v(~T, prevs, acc, at, Array.get(Maybe<&2, T>, vals, slot(at)))

Uses (5)

Used by (1)