tests/format/option-flags/element-in.bst - buildstream - Git at Google

 kind: autotools
 variables:
   result: "a pony"
   (?):
   - ("zebry" in farm):
       result: "a zebry"
   - ("pony" not in farm):
       result: "no pony"
   - (animal not in farm):
       result: "no horsy"
	kind: autotools
	variables:
	result: "a pony"
	(?):
	- ("zebry" in farm):
	result: "a zebry"
	- ("pony" not in farm):
	result: "no pony"
	- (animal not in farm):
	result: "no horsy"