next up previous contents index
Next: inDomain? Up: PartialFunction Previous: PartialFunction   Contents   Index


apply


\begin{usage}
apply($\sigma$, x) \\ $\sigma x$ \end{usage}


Signature


\begin{params}
{\em$\sigma$} & \% & A partial function\\
{\em x} & R & An element of R\\\end{params}

\begin{retval}
Returns $\sigma x$.
\end{retval}

\begin{remarks}
This map can cause an error if it is used on an element which i...
...x is known to be in the domain,
otherwise use {\em partialApply}.
\end{remarks}


See Also



Manuel Bronstein 2000-12-13