Function fxhash_multi

nodedb/src/engine/kv/hash_helpers.rs:56–64

Compute FxHash over multiple byte slices concatenated. Used by [`super::engine_helpers::table_key`] to hash `(tenant_id, collection)` without allocating a String. Same algorithm as [`hash_key`].

(slices: &[&[u8]])

/// Used by [`super::engine_helpers::table_key`] to hash `(tenant_id, collection)`
/// without allocating a String. Same algorithm as [`hash_key`].
pub(super) fn fxhash_multi(slices: &[&[u8]]) -> u64 {
    let mut h: u64 = 0;
    for slice in slices {
        for &b in *slice {
            h = h.rotate_left(5) ^ (b as u64).wrapping_mul(FX_SEED);
        }
    }
    h
}

// ---------------------------------------------------------------------------
// Value storage operations (avoids borrow conflicts in hash table methods)