X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=docs%2Fusers_guide%2Fusing.xml;h=502c856a09d2a7727e43ff1bfeb01c3080204365;hb=41c6c5d091021a859a7508b47e9fa8a19230b033;hp=a82cd526e5848e4ceb316464b6d6f9fcfb16bf07;hpb=a8e681c1e8aa4bc602714ff61583cd4e969d7187;p=ghc-hetmet.git
diff --git a/docs/users_guide/using.xml b/docs/users_guide/using.xml
index a82cd52..502c856 100644
--- a/docs/users_guide/using.xml
+++ b/docs/users_guide/using.xml
@@ -839,7 +839,16 @@ ghc -c Foo.hs
:
- Turns on all warning options.
+ Turns on all warning options that indicate potentially
+ suspicious code. The warnings that are
+ not enabled by
+ are:
+
+
+
+
+
+
@@ -1006,7 +1015,8 @@ f foo = foo { x = 6 }
If you would like GHC to check that every top-level
function/value has a type signature, use the
- option. This
+ option. As part of
+ the warning GHC also reports the inferred type. The
option is off by default.
@@ -1135,6 +1145,20 @@ f "2" = 2
+ :
+
+
+ monomorphism restriction, warning
+ Have the compiler warn/inform you where in your source
+ the Haskell Monomorphism Restriction is applied. If applied silently
+ the MR can give rise to unexpected behaviour, so it can be helpful
+ to have an explicit warning that it is being applied.
+
+ This warning is off by default.
+
+
+
+ :