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symbol


\begin{usage}
symbol~a\\ symbol?~a
\end{usage}

\begin{signatures}
symbol: & \% $\to$\ \htmlref{\texttt{Symbol}}{Symbol}\\
symbol?: & \% $\to$\ \htmlref{\texttt{Boolean}}{Boolean}\\\end{signatures}

\begin{params}
{\em a} & \% & A leaf\\
\end{params}

\begin{retval}
symbol~a returns the value of $a$\ as a \htmlref{\texttt{Symbol...
...\htmlref{\texttt{Symbol}}{Symbol}, {\it false}\xspace ~otherwise.\end{retval}


Manuel Bronstein 2000-12-13