我知道我能够设定与语言扩展
:set -XWhateverExtension
Run Code Online (Sandbox Code Playgroud)
但是如何列出当前启用的扩展?
> :show language
base language is: Haskell2010
with the following modifiers:
-XNoDatatypeContexts
-XExplicitForAll
-XNondecreasingIndentation
-XPatternSignatures
-XScopedTypeVariables
Run Code Online (Sandbox Code Playgroud)