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Diffstat (limited to 'test-suite/bugs/7333.v')
-rw-r--r-- | test-suite/bugs/7333.v | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test-suite/bugs/7333.v b/test-suite/bugs/7333.v new file mode 100644 index 00000000..fba5b902 --- /dev/null +++ b/test-suite/bugs/7333.v @@ -0,0 +1,39 @@ +Module Example1. + +CoInductive wrap : Type := + | item : unit -> wrap. + +Definition extract (t : wrap) : unit := +match t with +| item x => x +end. + +CoFixpoint close u : unit -> wrap := +match u with +| tt => item +end. + +Definition table : wrap := close tt tt. + +Eval vm_compute in (extract table). +Eval vm_compute in (extract table). + +End Example1. + +Module Example2. + +Set Primitive Projections. +CoInductive wrap : Type := + item { extract : unit }. + +CoFixpoint close u : unit -> wrap := +match u with +| tt => item +end. + +Definition table : wrap := close tt tt. + +Eval vm_compute in (extract table). +Eval vm_compute in (extract table). + +End Example2. |