haskell-indentation

module Main where

import T1
import T2 -- HERE: why two indentation points?


function = return (Structure
                   { field = 123         -- HERE: why move to the leftmost column?
                   , field2 =1231
                   })

function :: M X
            function = something something
function   -- HERE: TAB enter debugger: Lisp error: (parse-error . "Illegal token: =")


function :: Int
function = do
  let x = 5
   let y = 7
  case x of
   _ -> return () -- HERE: TAB enter debugger: Lisp error: (parse-error . "Illegal token: case")


function = (case x of
             Just x -> 0
             Nothing)                  -- HERE: why also same column as case?


function = case ( x
                , )         -- HERE: why move to leftmost column?
           of
            x -> x


function (_nm,hd) | hd = c
function (_nm,hd) = b        -- HERE: Tab cause debugger, underscore is important!



function = do
  nested $ do
    val :: String <- return "abc"
  z -- HERE: Why can't have same column as val?



function = do
  (_ec) <- function

           return () -- HERE: can't have at the open parenthesis place, underscore is important



function (x : xs) | c1==c2 =
                               return () -- HERE: selected points seem strange



function :: (Monad m)
            => m ()      -- HERE: only indented proposed
         -> m ()         -- HERE: proposed both