@hackage impure-containers0.4.1

Package Flags

unsafe-tricks

 (on by default)

turn on unsafe GHC tricks

bounds-checking

 (off by default)

if on, use bounds-checking array accesses

debug

 (off by default)

if on, spew debugging output to stdout

sse42

 (off by default)

if on, use SSE 4.2 extensions to search cache lines very efficiently. The portable flag forces this off.

portable

 (off by default)

if on, use only pure Haskell code and no GHC extensions.