func hashStr(sep string) (uint32, uint32) { hash := uint32(0) for i := 0; i < len(sep); i++ { hash = hash*primeRK + uint32(sep[i]) // hash 是循环len(sep)次的 这串操作的int32型的数 //假设len(sep) = 4 //i = 0: hash = uint32(sep[0]) //i = 1: hash = ...
源码 funcindexRabinKarp(s,substrstring)int{// Rabin-Karp searchhashss,pow:=hashStr(substr)n:=len(substr)varhuint32fori:=0;i<n;i++{h=h*primeRK+uint32(s[i])}ifh==hashss&&s[:n]==substr{return0}fori:=n;i<len(s);{h*=primeRK h+=uint32(s[i])h-=pow*uint32(s[i-n])i...
3738for{39t := *(*string)(unsafe.Pointer(&stringStruct{ptr, safeLen}))40//Check one page at a time.41ifi := bytealg.IndexByteString(t, 0); i != -1{42returnoffset +i43}44//Move to next page45ptr = unsafe.Pointer(uintptr(ptr) +uintptr(safeLen))46offset +=safeLen47safeLen ...
nlsemi bool // if set 'n' and EOF translate to ';' // current token, valid after calling next() line, col uint tok token lit string // valid if tok is _Name, _Literal, or _Semi ("semicolon", "newline", or "EOF"); may be malformed if bad is true bad bool // valid if...
s capacity.// num = number of elements being added// et = element type/// return values:/// newPtr = pointer to the new backing store// newLen = same value as the argument// newCap = capacity of the new backing store/// Requires that uint(newLen) > uint(oldCap).//...
fmt.Println(vUInt64) } func StringToFloat() { //todo :string to float f64, _ := strconv.ParseFloat("123.456", 64)//方法1,可以指定长度 fmt.Println(f64) } func FloatToString() { //todo :float to string f64 := 1223.13252
return *(*string)(unsafe.Pointer(&b.buf)) } // Len 返回累积的字节数; b.Len() == len(b.String())。 func (b *Builder) Len() int { return len(b.buf) } // Cap 返回构建器底层字节切片的容量。 它是为正在构建的字符串分配的总空间,包括已写入的任何字节。
ValidString返回值表明参数字符串是否是一个合法的可utf8编码的字符串。 // ValidString reports whether s consists entirely of valid UTF-8-encoded runes. func ValidString(s string) bool { n := len(s) for i := 0; i < n; { si := s[i] if si < RuneSelf { i++ continue } x := ...
domPanic(ret,"Failed to set element state flag") } } 开发者ID:ericroy,项目名称:go-htmlayout,代码行数:14,代码来源:element.go 示例4: Child ▲点赞 1▼ func(e *Element)Child(indexuint)*Element{varchild C.HELEMENTifret := C.HTMLayoutGetNthChild(e.handle, C.UINT(index), &child); re...
func(cs*counters)get(lvlLevel,keystring)*counter{i:=lvl-_minLevelj:=fnv32a(key)%_countersPerLevelreturn&cs[i][j]}funcfnv32a(sstring)uint32{const(offset32=2166136261prime32=16777619)hash:=uint32(offset32)fori:=0;i<len(s);i++{hash^=uint32(s[i])hash*=prime32}returnhash} ...