I'm partial to [], which was used for generics in the Tartan language (1978). For example
generic func F[Mult: Int](X:Int) y:Int: begin y := Mult * X end https://apps.dtic.mil/dtic/tr/fulltext/u2/a062815.pdf, page 4 -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/2c052dbd-8825-4541-939d-77d41551c0e2o%40googlegroups.com.