# HG changeset patch # User wenzelm # Date 870872873 -7200 # Node ID 1884b433c6a526723c40bc0e4b286ae7b9e0d43c # Parent 17527284f100e71f28004f3d3001ca9f330b1949 added str_of_classrel; diff -r 17527284f100 -r 1884b433c6a5 src/Pure/sorts.ML --- a/src/Pure/sorts.ML Wed Aug 06 15:07:33 1997 +0200 +++ b/src/Pure/sorts.ML Wed Aug 06 15:07:53 1997 +0200 @@ -9,6 +9,7 @@ sig type classrel type arities + val str_of_classrel: class * class -> string val str_of_sort: sort -> string val str_of_arity: string * sort list * sort -> string val class_eq: classrel -> class * class -> bool @@ -64,6 +65,8 @@ (* print sorts and arities *) +fun str_of_classrel (c1, c2) = c1 ^ " < " ^ c2; + fun str_of_sort [c] = c | str_of_sort cs = enclose "{" "}" (commas cs);