gistfile1.tex

\lstdefinelanguage{rust}{
  keywords={let, mut, fn, for, do, return},
  keywordstyle=\color{blue}\bfseries,
  ndkeywords={int},
  ndkeywordstyle=\color{darkgray}\bfseries,
  identifierstyle=\color{black},
  sensitive=false,
  comment=[l]{//},
  morecomment=[s]{/*}{*/},
  commentstyle=\color{purple}\ttfamily,
  stringstyle=\color{red}\ttfamily,
  morestring=[b]',
  morestring=[b]"
}


\lstset{
   language=rust,
%   backgroundcolor=\color{lightgray},
   extendedchars=true,
   basicstyle=\footnotesize\ttfamily,
}