ultimate-vim/sources_non_forked/vim-snippets/UltiSnips/haskell.snippets

snippet ife "if ... then ... else ..."
if ${1:condition}
   then ${2:expression}
   else ${3:expression}
endsnippet

snippet case "case ... of ..."
case ${1} of
     ${2} -> ${3}
     ${4} -> ${5}
endsnippet

snippet :: "Type signature"
${1:name} :: ${2:Type} -> ${3:Type}
endsnippet

snippet => "Type constraint"
(${1:Class} ${2:Type var}) => ${3:$2}
endsnippet

snippet def "Function definition"
${1:name} :: ${2:Type} -> ${3:Type}
endsnippet

snippet def[] "Function definition for list patterns"
${1:name} :: [${2:Type}] -> ${3:Type}
$1 [] = ${4:undefined}
$1 ${5:(x:xs)} = ${6:undefined}
endsnippet

snippet = "Function clause"
${1:name} ${2:pattern} = ${3:undefined}
endsnippet

snippet 2= "Function clause"
${1:name} ${2:pattern} = ${3:undefined}
$1 ${4:pattern} = ${5:undefined}
endsnippet

snippet 3= "Function clause"
${1:name} ${2:pattern} = ${3:undefined}
$1 ${4:pattern} = ${5:undefined}
$1 ${6:pattern} = ${7:undefined}
endsnippet

snippet | "Guard"
| ${1:predicate} = ${2:undefined}
endsnippet

snippet \ "Lambda expression"
\ ${1:pattern} -> ${2:expression}
endsnippet

snippet [|] "List comprehension"
[${3:foo }$1 | ${1:x} <- ${2:xs} ]
endsnippet

snippet let "let ... in ..."
let ${1:name} = ${2:expression}
in ${3:expression}
endsnippet