errata

[phd-thesis.git] / dsl / class.tex

diff --git a/dsl/class.tex b/dsl/class.tex
index 7bab63d..de5ef8a 100644 (file)
--- a/dsl/class.tex
+++ b/dsl/class.tex
@@ -82,7 +82,7 @@ The following function, transforming the \haskelllhstexinline{Expr_0} data type
 \begin{lstHaskellLhstex}
 print_0 :: Expr_0 -> String
 print_0 (Lit_0 v)     = show v
-print_0 (Add_0 e1 e2) = "(" ++ print_0 e1 ++ "-" ++ print_0 e2 ++ ")"
+print_0 (Add_0 e1 e2) = "(" ++ print_0 e1 ++ "+" ++ print_0 e2 ++ ")"
 \end{lstHaskellLhstex}
 
 While the language is concise and elegant, it is not very expressive.