Trivial closures will be converted to global functions, thus they are
not closures anymore. Using fn.IsClosure function is enough, allow
removing the trivial/non-trivial closures in the code.
Change-Id: Iceb186dd92c1732b101e221ebc13406db35c69ea
Reviewed-on: https://go-review.googlesource.com/c/go/+/611995 Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Tim King <taking@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Keith Randall <khr@google.com>