GHC User Guide – Language Features

GHC User Guide has a chapter titled Language Features that succintly explains many intermediate to advanced features of the language. An intermediate Haskeller might find it to be an useful resource.

u/qnikst writes:

GHC User Guide is the most underrated resource, it’s a pity to see lots of questions, misleading blog posts, and frustration just because people never tried to read GHC manual.

Vladislav tweets:

Read the GHC User’s Guide.

Anything that a compiler accepts might end up in the code base. So get to know your compiler.