lispdoc - results for member

(member item list &key key (test nil testp) (test-not nil notp))
Function: Return the tail of LIST beginning with first element satisfying EQLity, :TEST, or :TEST-NOT with the given ITEM.
Example:
(defun urlstring-reserved-p (c)
  (not (member c +allowed-url-symbols+)))
Mentioned in:
CLtL2 - 15.5. Using Lists as Sets
CLtL2 - 15.6. Association Lists
CLtL2 - 4.6. Type Specifiers That Abbreviate
CLtL2 - 6. Predicates
CLtL2 - 6.2.1. General Type Predicates
HyperSpec - Function MEMBER, MEMBER-IF, MEMBER-IF-NOT
HyperSpec - Type Specifier MEMBER
On Lisp - An ATN Compiler
On Lisp - An Interpreter
On Lisp - Conditional Evaluation
On Lisp - Defining Simple Macros
On Lisp - The Need for Nondeterminism
PCL - sets
(member-if test list &key key)
Function: Return tail of LIST beginning with first element satisfying TEST.
 Mentioned in:
CLtL2 - 15.5. Using Lists as Sets
HyperSpec - Function MEMBER, MEMBER-IF, MEMBER-IF-NOT
PCL - sets
(member-if-not test list &key key)
Function: Return tail of LIST beginning with first element not satisfying TEST.
 Mentioned in:
CLtL2 - 15.5. Using Lists as Sets
HyperSpec - Function MEMBER, MEMBER-IF, MEMBER-IF-NOT
PCL - sets