code review 5149045: runtime: append([]byte, string...)

src/cmd/gc/runtime.go

 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 // NOTE: If you change this file you must run "./mkbuiltin"
 // to update builtin.c.boot.  This is not done automatically
 // to avoid depending on having a working compiler binary.
 
 package PACKAGE
 
@@ skipping 22 matching lines @@
 func printnl()
 func printsp()
 func goprintf()
 
 // filled in by compiler: int n, string, string, ...
 func concatstring()
 
 // filled in by compiler: Type*, int n, Slice, ...
 func append()
 func appendslice(typ *byte, x any, y []any) any
+func appendstr(typ *byte, x []byte, y string) []byte
 
 func cmpstring(string, string) int
 func slicestring(string, int, int) string
 func slicestring1(string, int) string
 func intstring(int64) string
 func slicebytetostring([]byte) string
 func sliceinttostring([]int) string
 func stringtoslicebyte(string) []byte
 func stringtosliceint(string) []int
 func stringiter(string, int) int
@@ skipping 68 matching lines @@
 func int64div(int64, int64) int64
 func uint64div(uint64, uint64) uint64
 func int64mod(int64, int64) int64
 func uint64mod(uint64, uint64) uint64
 func float64toint64(float64) int64
 func float64touint64(float64) uint64
 func int64tofloat64(int64) float64
 func uint64tofloat64(uint64) float64
 
 func complex128div(num complex128, den complex128) (quo complex128)