pub fn inputs_fingerprint(inputs: &[PathBuf]) -> Option<u64>Expand description
Content fingerprint over a transitive input set, for an in-process
cache tier that has to answer the same freshness question
BytecodeCache::load
answers on disk: has ANY input changed, not just the entry file.
None when an input cannot be read — the source moved, so the cached
compile must not be reused.