lispdoc - results for gethash |
(gethash key hash-table &optional default) | Function: Finds the entry in HASH-TABLE whose key is KEY and returns the associated value and T as multiple values, or returns DEFAULT and NIL if there is no such entry. Entries can be added using SETF.
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Example:(defun rl-get-rule-def (name) (gethash name *rule-defs*)) | Mentioned in: CLtL2 - 16. Hash Tables CLtL2 - 16.1. Hash Table Functions CLtL2 - A.2.1. Scanners HyperSpec - Accessor GETHASH On Lisp - Anaphoric Variants On Lisp - Common Lisp Evolves On Lisp - Compiling Networks On Lisp - Functions as Representation On Lisp - Objects in Plain Lisp PCL - generalized assignment PCL - hash table iteration PCL - hash tables PCL - multiple values Successful Lisp - hash tables |
(alexandria.0.dev:ensure-gethash key hash-table &optional default) | Function: Like GETHASH, but if KEY is not found in the HASH-TABLE saves the DEFAULT under key before returning it. Secondary return value is true if key was already in the table.
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| By Bill Moorier |
