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| author | Oleg Grenrus <oleg.grenrus@iki.fi> | 2021-05-26 05:03:52 +0300 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2021-12-12 12:52:18 -0500 |
| commit | 31bf380f3925d72a3369978d28d02aaae31f75ef (patch) | |
| tree | 38afd6818f3f4661c7ec2f560bd249b3408e021a /testsuite/tests/ghci | |
| parent | 93783e6a8765e1410d0a14fd5249a995c6759308 (diff) | |
| download | haskell-31bf380f3925d72a3369978d28d02aaae31f75ef.tar.gz | |
Use HasCallStack and error in GHC.List and .NonEmpty
In addition to providing stack traces, the scary HasCallStack will
hopefully make people think whether they want to use these functions,
i.e. act as a documentation hint that something weird might happen.
A single metric increased, which doesn't visibly
use any method with `HasCallStack`.
-------------------------
Metric Decrease:
T9630
Metric Decrease:
T19695
T9630
-------------------------
Diffstat (limited to 'testsuite/tests/ghci')
| -rw-r--r-- | testsuite/tests/ghci/scripts/T10501.stderr | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/testsuite/tests/ghci/scripts/T10501.stderr b/testsuite/tests/ghci/scripts/T10501.stderr index 669b72bf45..9d41d0f211 100644 --- a/testsuite/tests/ghci/scripts/T10501.stderr +++ b/testsuite/tests/ghci/scripts/T10501.stderr @@ -1,4 +1,9 @@ *** Exception: Prelude.head: empty list +CallStack (from HasCallStack): + error, called at libraries/base/GHC/List.hs:1590:3 in base:GHC.List + errorEmptyList, called at libraries/base/GHC/List.hs:74:11 in base:GHC.List + badHead, called at libraries/base/GHC/List.hs:70:28 in base:GHC.List + head, called at <interactive>:1:10 in interactive:Ghci1 *** Exception: Prelude.undefined CallStack (from HasCallStack): undefined, called at <interactive>:1:17 in interactive:Ghci1 |