diff options
| author | aarne <aarne@chalmers.se> | 2010-11-22 12:55:37 +0000 |
|---|---|---|
| committer | aarne <aarne@chalmers.se> | 2010-11-22 12:55:37 +0000 |
| commit | 76ba03b545600054176612201de78dca16eb65e1 (patch) | |
| tree | 5615286b239bee637b32465e9cbf36807ab2c318 /book/examples/chapter8/CalculatorP.gf | |
| parent | 0bf41793694e8b3101d09e34858eba8ab2c8c5b6 (diff) | |
started a subdir for the book
Diffstat (limited to 'book/examples/chapter8/CalculatorP.gf')
| -rw-r--r-- | book/examples/chapter8/CalculatorP.gf | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/book/examples/chapter8/CalculatorP.gf b/book/examples/chapter8/CalculatorP.gf new file mode 100644 index 000000000..4e6315827 --- /dev/null +++ b/book/examples/chapter8/CalculatorP.gf @@ -0,0 +1,14 @@ +concrete CalculatorP of Calculator = open Prelude in { + +lincat + Exp = SS ; +lin + EPlus = infix "+" ; + EMinus = infix "-" ; + ETimes = infix "*" ; + EDiv = infix "/" ; + EInt i = i ; +oper + infix : Str -> SS -> SS -> SS = \f,x,y -> + ss ("(" ++ x.s ++ f ++ y.s ++ ")") ; +} |