intro/taskvalue.tex

   1 \documentclass[tikz]{standalone}
   2 \usetikzlibrary{arrows.meta,shapes.symbols,matrix,positioning}
   3 \begin{document}
   4         \begin{tikzpicture}[node distance=7em,nodes={draw,minimum width=5em}]
   5                 \node (1)              {no value};
   6                 \node (2) [right of=1] {unstable};
   7                 \node (3) [right of=2] {stable};
   8
   9                 \draw [->] (1) -- (2);
  10                 \draw [->] (2) -- (1);
  11                 \draw [->] (2) -- (3);
  12                 \draw [->] (1.north east) to [out=25,in=155] (3.north west);
  13         \end{tikzpicture}
  14 \end{document}