39 lines
522 B
Plaintext
39 lines
522 B
Plaintext
@startuml
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title Step 1 — Save next
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object "Node 1" as n1 {
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value = 1
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}
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object "Node 2" as n2 {
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value = 2
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}
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object "Node 3" as n3 {
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value = 3
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}
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n1 --> n2 : next
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n2 --> n3 : next
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n3 --> "null" : next
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object "previous" as prev
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object "current" as cur
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object "next" as nxt
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prev --> "null"
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cur --> n1
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nxt --> n2
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note right of nxt
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next = current->next
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We save the next node before changing
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current->next.
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Without this temporary pointer, the rest
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of the original list would become unreachable.
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end note
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@enduml
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