CabalGild.Unstable.Type.Variable

Documentation

data Variable

Similar to ConfVar, but with different parsing and pretty-printing behavior.

Constructors

Arch Arch

Flag FlagName

Impl CompilerFlavor VersionRange

Os OS

Instances

Show Variable

Defined in CabalGild.Unstable.Type.Variable

Methods

showsPrec :: Int -> Variable -> ShowS

show :: Variable -> String

showList :: [Variable] -> ShowS

Eq Variable

Defined in CabalGild.Unstable.Type.Variable

Methods

(==) :: Variable -> Variable -> Bool

(/=) :: Variable -> Variable -> Bool

parseVariable :: CabalParsing m => m Variable

Parses a Variable. This is generally as permissive as possible.

parseArch :: CabalParsing m => m Arch

Parses an Arch.

parseFlag :: CabalParsing m => m FlagName

Parses a Flag.

parseImpl :: CabalParsing m => m (CompilerFlavor, VersionRange)

Parses an Impl.

parseOs :: CabalParsing m => m OS

Parses an Os.

parseIdent :: CabalParsing m => m String

Parses an identifier. This is more permissive than anything provided by Cabal. Any run of alphanumeric characters, underscores, or hyphens is considered an identifier.

prettyVariable :: Variable -> Doc

Pretty-prints a Variable.