136. LazyLock::force_mut — Mutate a Lazy Value Without Wrapping It in a Mutex

Wed, 13 May 2026 09:00:00 +0100

Got a LazyLock you own outright? With force_mut (stable in Rust 1.94), you can initialize and mutate it through &mut LazyLock — no Mutex, no RwLock, no locking dance.

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136. LazyLock::force_mut — Mutate a Lazy Value Without Wrapping It in a Mutex