../../m2/methods.m2:491:56-491:116: --source code: runHooks (HashTable,Thing,Thing ) := (obj,key,arg ) -> (c := obj.cache; if c#?key then scan(c#key, hook -> hook arg)) ../../m2/methods.m2:487:63-487:110: --source code: runHooks (MutableHashTable,Thing,Thing ) := (obj,key,arg ) -> if obj#?key then scan(obj#key, hook -> hook arg)