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Diffstat (limited to 'docs/users_guide/using-warnings.rst')
| -rw-r--r-- | docs/users_guide/using-warnings.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/users_guide/using-warnings.rst b/docs/users_guide/using-warnings.rst index 9eaf63ed80..13c04f7d98 100644 --- a/docs/users_guide/using-warnings.rst +++ b/docs/users_guide/using-warnings.rst @@ -1652,6 +1652,13 @@ of ``-W(no-)*``. Will raise two warnings because ``Zero`` and ``Succ`` are not written as ``'Zero`` and ``'Succ``. + This also applies to list literals since 9.4. For example: :: + + type L = [Int, Char, Bool] + + will raise a warning, because ``[Int, Char, Bool]`` is a promoted list + which lacks a tick. + .. ghc-flag:: -Wunused-binds :shortdesc: warn about bindings that are unused. Alias for :ghc-flag:`-Wunused-top-binds`, :ghc-flag:`-Wunused-local-binds` and |