tests/persistent_wal_atomicity_correspondence.rs:177: assert_eq!(trie.fetch_add("count", 2).expect("fetch_add"), 15); tests/persistent_wal_atomicity_correspondence.rs:268: assert_eq!(trie.fetch_add("count", 2).expect("fetch_add"), 15); tests/persistent_bulk_mutation_correspondence.rs:377: assert!(byte_trie.fetch_add("low", -1).is_err()); tests/persistent_bulk_mutation_correspondence.rs:392: assert!(char_trie.fetch_add("low", -1).is_err()); src/persistent_artrie_char/dict_impl_char.rs:916: let old = inner.fetch_add("counter", 10).expect("fetch_add"); src/persistent_artrie_char/dict_impl_char.rs:920: let old = inner.fetch_add("counter", 5).expect("fetch_add"); src/persistent_artrie_char/dict_impl_char.rs:924: let old = inner.fetch_add("counter", -3).expect("fetch_add"); src/persistent_artrie_char/dict_impl_char.rs:991: inner.fetch_add("counter2", 200).expect("fetch_add"); src/persistent_artrie_char/dict_impl_char.rs:992: inner.fetch_add("counter2", 25).expect("fetch_add"); src/persistent_artrie_core/overlay/flip.rs:626: /// `self.commit_seq.fetch_add(1, AcqRel) + 1`. Used ONLY by the RANKED src/persistent_artrie/dict_impl.rs:1050: let old = dict.fetch_add("counter", 5).expect("fetch_add");