AppendRune appends the UTF-16 encoding of a rune to a []uint16.
BenchmarkEncodeValidASCII-12 24.61ns 16B 1allocs
BenchmarkEncodeValidJapaneseChars-12 18.79ns 8B 1allocs
BenchmarkAppendRuneValidASCII-12 6.826ns 0B 0allocs
BenchmarkAppendRuneValidJapaneseChars-12 3.547ns 0B 0allocs
The ASCII case is written to be inlineable.
Fixes#51896
Change-Id: I593b1029f603297ef6e80e036f2fee2a0938d38d
Reviewed-on: https://go-review.googlesource.com/c/go/+/409054
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Joedian Reid <joedian@golang.org>