add doc tweaks and changelog edit

Author: cartazio

Data/Vector/Storable/Mutable.hs

@@ -201,15 +201,17 @@ storableSetAsPrim n fp x _y = withForeignPtr fp $ \ ptr  -> do
     poke ptr x
      -- we dont equate storable and prim reps, so we need to write to a slot
      -- in storable
-     -- then read it back as a prim
+     -- then read it back as a prim type
+     -- then use prim memset
     w<- peakPrimPtr_vector ((castPtr ptr) :: Ptr  b) 0
     memsetPrimPtr_vector ((castPtr ptr) `plusPtr` sizeOf x ) (n-1)  w
 
 
 
 {-
 AFTER primitive 0.7 is pretty old, move to using setPtr. which is really
-a confusing misnomer for whats often called memset (intialize )
+a confusing misnomer for whats often called memset (initialize an array with a
+default value)
 -}
 -- Fill a memory block with the given value. The length is in
 -- elements of type @a@ rather than in bytes.

changelog

@@ -1,6 +1,8 @@
 Changes in version 0.12.0.2
   * Fixes issue #220, compact heap operations crashing on boxed vectors constructed
     using traverse.
+  * remove usage of Data.Primitive.Address and clarify the memset Prim Storable
+    smuggling trick in Vector.Storable.Mutable
 
 Changes in version 0.12.0.1
 

vector.cabal

@@ -145,7 +145,7 @@ Library
         vector.h
 
   Build-Depends: base >= 4.5 && < 4.13
-               , primitive >= 0.5.0.1 && < 0.7
+               , primitive >= 0.5.0.1 && < 0.8
                , ghc-prim >= 0.2 && < 0.6
                , deepseq >= 1.1 && < 1.5
   if !impl(ghc > 8.0)