ghc-8.0.2: The GHC API

Safe Haskell | None
Language | Haskell2010

Avail

Synopsis

- type Avails = [AvailInfo]
- data AvailInfo
  - = Avail IsPatSyn Name
  - | AvailTC Name [Name] [FieldLabel]
- data IsPatSyn
  - = NotPatSyn
  - | IsPatSyn
- avail :: Name -> AvailInfo
- patSynAvail :: Name -> AvailInfo
- availsToNameSet :: [AvailInfo] -> NameSet
- availsToNameSetWithSelectors :: [AvailInfo] -> NameSet
- availsToNameEnv :: [AvailInfo] -> NameEnv AvailInfo
- availName :: AvailInfo -> Name
- availNames :: AvailInfo -> [Name]
- availNonFldNames :: AvailInfo -> [Name]
- availNamesWithSelectors :: AvailInfo -> [Name]
- availFlds :: AvailInfo -> [FieldLabel]
- stableAvailCmp :: AvailInfo -> AvailInfo -> Ordering

# Documentation

type Avails = [AvailInfo] Source #

A collection of `AvailInfo` - several things that are "available"

data AvailInfo Source #

Records what things are "available", i.e. in scope

Constructors

Avail IsPatSyn Name | An ordinary identifier in scope
AvailTC Name [Name] [FieldLabel] | A type or class in scope. Parameters: 1) The name of the type or class 2) The available pieces of type or class, excluding field selectors. 3) The record fields of the type (see Note [Representing fields in AvailInfo]). The AvailTC Invariant: * If the type or class is itself to be in scope, it must be *first* in this list. Thus, typically: `AvailTC Eq [Eq, ==, /=]`

Instances

Eq AvailInfo # |
Methods (==) :: AvailInfo -> AvailInfo -> Bool # (/=) :: AvailInfo -> AvailInfo -> Bool #
Outputable AvailInfo # |
Methods ppr :: AvailInfo -> SDoc Source # pprPrec :: Rational -> AvailInfo -> SDoc Source #
Binary AvailInfo # |
Methods put_ :: BinHandle -> AvailInfo -> IO () Source # put :: BinHandle -> AvailInfo -> IO (Bin AvailInfo) Source # get :: BinHandle -> IO AvailInfo Source #

data IsPatSyn Source #

Constructors

NotPatSyn |
IsPatSyn |

Instances

Eq IsPatSyn # |
Methods (==) :: IsPatSyn -> IsPatSyn -> Bool # (/=) :: IsPatSyn -> IsPatSyn -> Bool #
Binary IsPatSyn # |
Methods put_ :: BinHandle -> IsPatSyn -> IO () Source # put :: BinHandle -> IsPatSyn -> IO (Bin IsPatSyn) Source # get :: BinHandle -> IO IsPatSyn Source #

avail :: Name -> AvailInfo Source #

patSynAvail :: Name -> AvailInfo Source #

availsToNameSet :: [AvailInfo] -> NameSet Source #

availsToNameSetWithSelectors :: [AvailInfo] -> NameSet Source #

availsToNameEnv :: [AvailInfo] -> NameEnv AvailInfo Source #

availName :: AvailInfo -> Name Source #

Just the main name made available, i.e. not the available pieces of type or class brought into scope by the `GenAvailInfo`

availNames :: AvailInfo -> [Name] Source #

All names made available by the availability information (excluding overloaded selectors)

availNonFldNames :: AvailInfo -> [Name] Source #

Names for non-fields made available by the availability information

availNamesWithSelectors :: AvailInfo -> [Name] Source #

All names made available by the availability information (including overloaded selectors)

availFlds :: AvailInfo -> [FieldLabel] Source #

Fields made available by the availability information

stableAvailCmp :: AvailInfo -> AvailInfo -> Ordering Source #

Compare lexicographically