Interface MetaHash

crates/kernel/src/mode.rs:20–22

Serialize a metadata value into a `blake3::Hasher`. The `()` impl is a no-op, so erased metadata contributes nothing.

/// Serialize a metadata value into a `blake3::Hasher`.
/// The `()` impl is a no-op, so erased metadata contributes nothing.
pub trait MetaHash {
  fn meta_hash(&self, hasher: &mut blake3::Hasher);
}

impl MetaHash for () {
  fn meta_hash(&self, _hasher: &mut blake3::Hasher) {}