# -*- mode: snippet -*-
# key: fn
# name: guarded function
# condition: (= (length "fn") (current-column))
# expand-env: ((yas-indent-line 'fixed))
# contributor: Luke Hoersten <luke@hoersten.org>
# --
${1:f} :: ${2:a} ${3:-> ${4:b}}
$1 ${5:x}
    | ${6:conditional} = ${8:undefined}
    | ${7:conditional} = ${9:undefined}$0