1  Before:
2    runtime ale/handlers/haskell_stack.vim
3  
4  Execute(Escape stack should correctly identify a stack exec command):
5    AssertEqual
6    \ ale#Escape('stack') . ' exec ' . ale#Escape('hlint') . ' --',
7    \ ale#handlers#haskell_stack#EscapeExecutable('stack', 'hlint')