diff options
Diffstat (limited to 'testsuite/tests/typecheck/should_compile/ExPatFail.stderr')
| -rw-r--r-- | testsuite/tests/typecheck/should_compile/ExPatFail.stderr | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_compile/ExPatFail.stderr b/testsuite/tests/typecheck/should_compile/ExPatFail.stderr new file mode 100644 index 0000000000..afae403614 --- /dev/null +++ b/testsuite/tests/typecheck/should_compile/ExPatFail.stderr @@ -0,0 +1,14 @@ +
+ExPatFail.hs:12:15: error:
+ • Couldn't match expected type ‘t’ with actual type ‘a’
+ because type variable ‘a’ would escape its scope
+ This (rigid, skolem) type variable is bound by
+ a pattern with constructor:
+ MkT :: forall a. Integral a => a -> Int -> T,
+ in a pattern binding
+ at ExPatFail.hs:12:11-17
+ • In the pattern: MkT y _
+ In a pattern binding: MkT y _ = x
+ In the expression: let MkT y _ = x in y
+ • Relevant bindings include
+ f :: T -> t (bound at ExPatFail.hs:12:1)
|