List utilities


\begin{inset}{} Returns the first {\it tail\/} of {\it list\/} such that {\tt ({... ...nv} (MEM EQ? 'A '(B A D E)) $\Longrightarrow$\ (A D E) \end{codexenv}\end{inset}


\begin{inset}{} \begin{codexenv} (MEMQ {\it object list\/}) $\equiv$\ (MEM EQ? {\it object list\/}) \end{codexenv}\end{inset}


\begin{inset}{} Calls the {\it predicate\/} on successive elements of the {\it l... ... (C D E F))) &$\Longrightarrow$\ & (B Z) \end{tabular} \end{codexenv}\end{inset}


\begin{inset}{} Like {\tt ANY}, but the {\it predicate\/} is called on successive tails of the {\it lists\/} instead of successive elements. \end{inset}


\begin{inset}{} Calls the {\it predicate\/} on successive elements of the {\it l... ...) (B K)) ((C D) (T U)))) \\ $\Longrightarrow$\ (C D) \end{codexenv}\end{inset}


\begin{inset}{} Like {\tt EVERY}, but the {\it predicate\/} is called on successive tails of the {\it lists\/} instead of successive elements. \end{inset}


\begin{inset}{} \begin{codexenv} (EVERYCDR? {\it predicate . lists\/}) $\equiv$\ (TRUE? (EVERYCDR {\it predicate . lists\/})) \end{codexenv}\end{inset}


\begin{inset}{} \begin{codexenv} (ANYCDR? {\it predicate . lists\/}) $\equiv$\ (TRUE? (ANYCDR {\it predicate . lists\/})) \end{codexenv}\end{inset}


\begin{inset}{} Returns the position of the first item in {\it list\/} such that... ...({\it predicate object item\/})}, or false if there is no such item. \end{inset}


\begin{inset}{} \begin{codexenv} (POSQ {\it object list\/}) $\equiv$\ (POS EQ? {\it object list\/}) \end{codexenv}\end{inset}


\begin{inset}{} {\tt\begin{tabbing} (APPEND-REVERSE \= {\it list ending\/}) $\eq... ...VERSE '(A B C) '(D E)) $\Longrightarrow$\ (C B A D E) \end{tabbing}} \end{inset}


\begin{inset}{} \begin{codexenv} (APPEND-REVERSE! {\it list ending\/}) $\equiv$\ \\ (APPEND! (REVERSE! {\it list\/}) {\it ending\/}) \end{codexenv}\end{inset}