operator

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operator

$\begin{usage} operator~t\\ operator?~t \end{usage}$

$\begin{signatures} operator: & \% $\to$\ \htmlref{\texttt{ExpressionTreeOperat... ...operator?: & \% $\to$\ \htmlref{\texttt{Boolean}}{Boolean}\\\end{signatures}$

$\begin{params} {\em t} & \% & A token\\ \end{params}$

$\begin{retval} operator~a returns $a$\ as an operator is $a$\ is an operator. ... ...true}\xspace ~if a is an operator, {\it false}\xspace ~otherwise.\end{retval}$

See Also

leaf, special

Manuel Bronstein 2000-12-13