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\lstdefinelanguage{ocaml}{
keywords={let, begin, end, in, match, type, and, fun, 
function, try, with, class, object, method, of, rec, repeat, until,
while, not, do, done, as, val, inherit, module, sig, @type, struct, 
if, then, else, open, virtual, new, fresh, skip, od, fi, elif, for, local, return, read, write},
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literate={->}{{$\to$}}3 {===}{{$\equiv$}}1 {=/=}{{$\not\equiv$}}1 {|>}{{$\triangleright$}}3 {\&\&\&}{{$\wedge$}}2 {|||}{{$\vee$}}2 {^}{{$\uparrow$}}1,
morecomment=[s]{(*}{*)}
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language=ocaml
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\newcommand{\ocaml}{\texttt{OCaml}\xspace}

\theoremstyle{definition}

\title{Introduction to Programming Languages, Compilers and Tools}

\author{Dmitry Boulytchev}

\begin{document}

\maketitle

\input{01}
\input{02}
\input{03}
\input{04}
\input{05}
\input{06}
\input{07}

\end{document}