11 lines
190 B
Text
11 lines
190 B
Text
|
|
/* error: definition of recursive types is interrupted */
|
||
|
|
let
|
||
|
|
/* define a tree */
|
||
|
|
type tree ={key: int, children: treelist}
|
||
|
|
var d:int :=0
|
||
|
|
type treelist = {hd: tree, tl: treelist}
|
||
|
|
|
||
|
|
in
|
||
|
|
d
|
||
|
|
end
|