strings: add examples for Lines, SplitSeq, SplitAfterSeq, FieldsSeq and FieldsFuncSeq
Change-Id: I1e5085ff2ed7f3d75ac3dc34ab72be6b55729fb7
Reviewed-on: https://go-review.googlesource.com/c/go/+/647575
Auto-Submit: Ian Lance Taylor <iant@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Commit-Queue: Ian Lance Taylor <iant@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
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