INNER CODE UNIT · Rust

all

gosub-io/gosub-engine · crates/gosub_config/src/lib.rs:37

    fn all(&self) -> Result<HashMap<String, Setting>>;

    /// Flushes any buffered writes to the backing store. Adapters that persist eagerly on every
    /// `set` (or not at all, like the in-memory adapter) treat this as a no-op.
    fn flush(&self) -> Result<()> {
        Ok(())
    }
}

/// Identifies a registered subscription so it can later be removed via [`Config::unsubscribe`].
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
pub struct SubscriptionId(u64);

/// Callback invoked when a watched setting changes. It receives the setting key and the new value.
///
/// The callback is invoked after the store's internal lock has been released, so it MAY read or
/// write the same [`Config`] without deadlocking. Beware infinite recursion if a callback sets a
/// key it also subscribes to.

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