X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=docs%2Fusers_guide%2Fusing.xml;h=f81b1c8122cd55b8a78ac1e41ab510e42b111606;hb=455a8da72d0340c1e9b9c6c946ca2aba7c78e59a;hp=502c856a09d2a7727e43ff1bfeb01c3080204365;hpb=41c6c5d091021a859a7508b47e9fa8a19230b033;p=ghc-hetmet.git
diff --git a/docs/users_guide/using.xml b/docs/users_guide/using.xml
index 502c856..f81b1c8 100644
--- a/docs/users_guide/using.xml
+++ b/docs/users_guide/using.xml
@@ -848,6 +848,7 @@ ghc -c Foo.hs
+
@@ -914,6 +915,31 @@ ghc -c Foo.hs
+ :
+
+
+ implicit prelude, warning
+ Have the compiler warn if the Prelude is implicitly
+ imported. This happens unless either the Prelude module is
+ explicitly imported with an import ... Prelude ...
+ line, or this implicit import is disabled (either by
+ or a
+ LANGUAGE NoImplicitPrelude pragma).
+
+ Note that no warning is given for syntax that implicitly
+ refers to the Prelude, even if
+ would change whether it refers to the Prelude.
+ For example, no warning is given when
+ 368 means
+ Prelude.fromInteger (368::Prelude.Integer)
+ (where Prelude refers to the actual Prelude module,
+ regardless of the imports of the module being compiled).
+
+ This warning is off by default.
+
+
+
+ :
@@ -1034,7 +1060,7 @@ f foo = foo { x = 6 }
in the inadvertent cyclic definition let x = ... x
... in.
- Consequently, this option does
+ Consequently, this option
will complain about cyclic recursive
definitions.
@@ -1459,6 +1485,50 @@ f "2" = 2
+
+
+
+
+ Turn off the "state hack" whereby any lambda with a
+ State# token as argument is considered to be
+ single-entry, hence it is considered OK to inline things inside
+ it. This can improve performance of IO and ST monad code, but it
+ runs the risk of reducing sharing.
+
+
+
+
+
+
+
+
+
+ Tells GHC to omit all inessential information from the interface file
+ generated for the module being compiled (say M). This means that a module
+ importing M will see only the types of the functions that M exports, but not
+ their unfoldings, strictness info, etc. Hence, for example,
+ no function exported by M will be inlined
+ into an importing module. The benefit is that modules that import M will
+ need to be recompiled less often (only when M's exports change their type,
+ not when they change their implementation).
+
+
+
+
+
+
+
+
+
+
+ Tells GHC to ignore all inessential information when reading interface files.
+ That is, even if M.hi contains unfolding or strictness information
+ for a function, GHC will ignore that information.
+
+
+
+
+
:
strict constructor fields
@@ -1481,7 +1551,7 @@ f "2" = 2
-
+
@@ -1499,7 +1569,7 @@ f "2" = 2
- :
+ :
inlining, controllingunfolding, controlling
@@ -1525,7 +1595,7 @@ f "2" = 2
- :
+ inlining, controlling