diff options
Diffstat (limited to 'lib/Distribution')
| -rw-r--r-- | lib/Distribution/Helper.hs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/Distribution/Helper.hs b/lib/Distribution/Helper.hs index 73c3438..2f9493e 100644 --- a/lib/Distribution/Helper.hs +++ b/lib/Distribution/Helper.hs @@ -30,6 +30,9 @@ Portability : POSIX -} module Distribution.Helper ( + -- * Type Variable Naming Conventions + -- $type-conventions + -- * Running Queries Query , runQuery @@ -143,6 +146,18 @@ import Distribution.Verbosity (silent, deafening) --import Distribution.Package (packageName, packageVersion) import Distribution.Simple.GHC as GHC (configure) +-- $type-conventions +-- Throughout the API we use the following conventions for type variables: +-- +-- * @pt@ stands for "project type", when instantiated is always of kind +-- 'ProjType'. +-- +-- * @c@ stands for "cache". It is used internally to make the cache +-- inaccessible for some parts of the implementation. Users of the API may +-- ignore it. See the internal 'qeCacheRef' field accessor of 'QueryEnv' for +-- details. + + -- | A lazy, cached, query against a package's Cabal configuration. Use -- 'runQuery' to execute it. newtype Query pt a = Query |