Function mutateScoped

packages/effect/src/Graph.ts:661–672

(
  mutable: MutableGraph<N, E, T>,
  f: (mutable: MutableGraph<N, E, T>) => undefined
)

/** @internal */
const mutateScoped = <N, E, T extends Kind>(
  mutable: MutableGraph<N, E, T>,
  f: (mutable: MutableGraph<N, E, T>) => undefined
): Graph<N, E, T> => {
  let graph: Graph<N, E, T>
  try {
    f(mutable)
  } finally {
    graph = endMutation(mutable)
  }
  return graph
}

/**
 * Performs scoped mutations on a graph, automatically managing the mutation lifecycle.