hugo/docs/content/en/functions/collections/SymDiff.md

title, description, categories, keywords, params, aliases

title	description	categories	keywords	params	aliases
collections.SymDiff	Returns a slice containing the symmetric difference of two given slices.			functions_and_methods aliases returnType signatures symdiff []any SLICE1 | collections.SymDiff SLICE2	/functions/symdiff

Example:

{{ slice 1 2 3 | symdiff (slice 3 4) }} → [1 2 4]

Also see https://en.wikipedia.org/wiki/Symmetric_difference.