a4fcfaa167
Use the same code pattern for sends and receives and factor it out into a new helper method Checker.chanElem. Provide the exact error cause rather than simply referring to the core type. For #70128. Change-Id: I4a0b597a487b78c057eebe06c4ac28f9bf1f7719 Reviewed-on: https://go-review.googlesource.com/c/go/+/647455 Auto-Submit: Robert Griesemer <gri@google.com> Reviewed-by: Robert Findley <rfindley@google.com> Reviewed-by: Robert Griesemer <gri@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
The Go Programming Language
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