changeset 58310 | 91ea607a34d8 |
parent 58261 | 10bd5ba8c9e6 |
child 58613 | 4a16f8e41879 |
--- a/src/HOL/Unix/Nested_Environment.thy Thu Sep 11 19:26:59 2014 +0200 +++ b/src/HOL/Unix/Nested_Environment.thy Thu Sep 11 19:32:36 2014 +0200 @@ -19,7 +19,7 @@ position within the structure. *} -datatype_new (dead 'a, dead 'b, dead 'c) env = +datatype (dead 'a, dead 'b, dead 'c) env = Val 'a | Env 'b "'c \<Rightarrow> ('a, 'b, 'c) env option"