string.go

     1  // Copyright 2025 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build goexperiment.simd && amd64
     6  
     7  package simd
     8  
     9  import (
    10  	"internal/strconv"
    11  )
    12  
    13  type number interface {
    14  	~int | ~int8 | ~int16 | ~int32 | ~int64 | ~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr | ~float32 | ~float64
    15  }
    16  
    17  func sliceToString[T number](x []T) string {
    18  	s := ""
    19  	pfx := "{"
    20  	for _, y := range x {
    21  		s += pfx
    22  		pfx = ","
    23  		switch e := any(y).(type) {
    24  		case int8:
    25  			s += strconv.Itoa(int(e))
    26  		case int16:
    27  			s += strconv.Itoa(int(e))
    28  		case int32:
    29  			s += strconv.Itoa(int(e))
    30  		case int64:
    31  			s += strconv.Itoa(int(e))
    32  		case uint8:
    33  			s += strconv.FormatUint(uint64(e), 10)
    34  		case uint16:
    35  			s += strconv.FormatUint(uint64(e), 10)
    36  		case uint32:
    37  			s += strconv.FormatUint(uint64(e), 10)
    38  		case uint64:
    39  			s += strconv.FormatUint(uint64(e), 10)
    40  		case float32:
    41  			s += strconv.FormatFloat(float64(e), 'g', -1, 32)
    42  		case float64:
    43  			s += strconv.FormatFloat(e, 'g', -1, 64)
    44  		}
    45  	}
    46  	s += "}"
    47  	return s
    48  }
    49
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