\section{Builtin code names} \label{sec:code} \begin{center} {\renewcommand{\arraystretch}{1.3} \begin{tabular}{l l l} \textbf{Name} & \textbf{Type} & \textbf{Description} \\ \hline\hline\multicolumn{3}{l}{\emph{Integer operations}} \\\hline \fuspel{add a b} & Int $\to$ Int $\to$ Int & Adds $a$ and $b$ \\ \fuspel{mul a b} & Int $\to$ Int $\to$ Int & Multiplies $a$ and $b$ \\ \fuspel{sub a b} & Int $\to$ Int $\to$ Int & Subtracts $a$ from $b$ \\ \hline \multicolumn{3}{l}{\emph{Tests}} \\\hline \fuspel{eq a b} & Int $\to$ Int $\to \{0,1\}$ & 1 if $a=b$, 0 otherwise \\ \fuspel{ge a b} & Int $\to$ Int $\to \{0,1\}$ & 1 if $a\ge b$, 0 otherwise \\ \fuspel{gt a b} & Int $\to$ Int $\to \{0,1\}$ & 1 if $a>b$, 0 otherwise \\ \fuspel{le a b} & Int $\to$ Int $\to \{0,1\}$ & 1 if $a\le b$, 0 otherwise \\ \fuspel{lt a b} & Int $\to$ Int $\to \{0,1\}$ & 1 if $a<b$, 0 otherwise \\ \fuspel{ne a b} & Int $\to$ Int $\to \{0,1\}$ & 1 if $a\neq b$, 0 otherwise \\ \hline\multicolumn{3}{l}{\emph{Miscellaneous}} \\\hline \fuspel{time} & Int & The current time in seconds since the Unix Epoch. \\ \fuspel{trace} & $a\to b\to b$ & \fuspel{trace x y} prints \fuspel{x} to stdout and returns \fuspel{y}. \\ \end{tabular} } \end{center}