func splitBySpaceAndStop(data []byte, atEOF bool) (advance int, token []byte, err error) { if i := bytes.IndexByte(data, ' '); i >= 0 { // 找到空格,返回前面的数据作为token token = data[:i] advance = i + 1 // 如果token是"
func splitBySpaceAndStop(data []byte, atEOF bool) (advance int, token []byte, err error) { if i := bytes.IndexByte(data, ' '); i >= 0 { // 找到空格,返回前面的数据作为token token = data[:i] advance = i + 1 // 如果token是"STOP",返回ErrFinalToken if string(token) == "...
func Split(s, sep string) []string { return genSplit(s, sep, 0, -1) } func SplitAfter(s, sep string) []string { return genSplit(s, sep, len(sep), -1) } func SplitN(s, sep string, n int) []string { return genSplit(s, sep, 0, n) } func SplitAfterN(s, sep string,...
packagesplit_stringimport("fmt""strings")// Split:切割字符串// example:// abc, b --> [a c]funcSplit(strstring, sepstring)[]string{// 优化代码,初始化的时候指定长度和容量,避免在append的时候去动态扩容,影响性能varret =make([]string,0, strings.Count(str, sep)+1)//切片的make参数:类型...
func Fields(s string) []string 功能:去除 s 字符串的空格符,并且按照空格分割,返回 slice 参1:s,表示待拆分的字符串 返回值:切片,存储拆分好的子串 示例代码: fmt.Printf("Fields are: %q", strings.Fields(" foo bar baz ")) 运行结果:
$ go run split_fun.go [3 4 5 6 7 8 9 10 11] 63 Go strings JoinThe Join function concatenates the elements of the slice argument to create a single string. join_fun.go package main import ( "fmt" "strings" ) func main() { words := []string{"an", "old", "falcon", "in"...
1 /** 是否是图片 */ 2 func isPictureFormat(path string) (string,string,string) { 3 temp := strings.Split(path,".") 4 if len(temp) <=1 { 5 return "","","" 6 } 7 mapRule := make(map[string]int64) 8 mapRule["jpg"] = 1 9 mapRule["png"] = 1 10 mapRule["jpeg"]...
func fatal(s string) { // Everything fatal does should be recursively nosplit so it // can be called even when it's unsafe to grow the stack. systemstack(func() { print("fatal error: ", s, "\n") }) fatalthrow(throwTypeUser) ...
(*CircuitBreaker).generateSliceWindow 1.50MB 0.6% 93.76% 1.50MB 0.6% reflect.cvtBytesString 在上述go tool pprof命令输出内容中可以看到已保存采集的信息到本地文件,/root/pprof/pprof.featureservice.alloc_objects.alloc_space.inuse_objects.inuse_space.001.pb.gz,下载该文件到本地,运行如下命令,即可在本...
package mainimport ( "bufio" "bytes" "fmt")// 自定义的SplitFunc函数,按空格分割输入,并在遇到"STOP"时停止扫描; 另外,为了和标准库函数对齐,采用了命名返回值func splitBySpaceAndStop(data []byte, atEOF bool) (advance int, token []byte, err error) { if i := bytes.IndexByte(data, ' ')...