log/util.go
func InterleavedKVToFields(keyValues ...interface{}) ([]Field, error) {
	if len(keyValues)%2 != 0 {
		return nil, fmt.Errorf("non-even keyValues len: %d", len(keyValues))
	}
	fields := make([]Field, len(keyValues)/2)
	for i := 0; i*2 < len(keyValues); i++ {
		key, ok := keyValues[i*2].(string)
		if !ok {
			return nil, fmt.Errorf(
				"non-string key (pair #%d): %T",
				i, keyValues[i*2])
		}
		switch typedVal := keyValues[i*2+1].(type) {
		case bool:
			fields[i] = Bool(key, typedVal)
		case string:
			fields[i] = String(key, typedVal)
		case int:
			fields[i] = Int(key, typedVal)
		case int8:
			fields[i] = Int32(key, int32(typedVal))
		case int16:
			fields[i] = Int32(key, int32(typedVal))
		case int32:
			fields[i] = Int32(key, typedVal)
		case int64:
			fields[i] = Int64(key, typedVal)
		case uint:
			fields[i] = Uint64(key, uint64(typedVal))
		case uint64:
			fields[i] = Uint64(key, typedVal)
		case uint8:
			fields[i] = Uint32(key, uint32(typedVal))
		case uint16:
			fields[i] = Uint32(key, uint32(typedVal))
		case uint32:
			fields[i] = Uint32(key, typedVal)
		case float32:
			fields[i] = Float32(key, typedVal)
		case float64:
			fields[i] = Float64(key, typedVal)
		default:
			// When in doubt, coerce to a string
			fields[i] = String(key, fmt.Sprint(typedVal))
		}
	}
	return fields, nil
}
func InterleavedKVToFields(keyValues ...interface{}) ([]Field, error) {
	if len(keyValues)%2 != 0 {
		return nil, fmt.Errorf("non-even keyValues len: %d", len(keyValues))
	}
	fields := make([]Field, len(keyValues)/2)
	for i := 0; i*2 < len(keyValues); i++ {
		key, ok := keyValues[i*2].(string)
		if !ok {
			return nil, fmt.Errorf(
				"non-string key (pair #%d): %T",
				i, keyValues[i*2])
		}
		switch typedVal := keyValues[i*2+1].(type) {
		case bool:
			fields[i] = Bool(key, typedVal)
		case string:
			fields[i] = String(key, typedVal)
		case int:
			fields[i] = Int(key, typedVal)
		case int8:
			fields[i] = Int32(key, int32(typedVal))
		case int16:
			fields[i] = Int32(key, int32(typedVal))
		case int32:
			fields[i] = Int32(key, typedVal)
		case int64:
			fields[i] = Int64(key, typedVal)
		case uint:
			fields[i] = Uint64(key, uint64(typedVal))
		case uint64:
			fields[i] = Uint64(key, typedVal)
		case uint8:
			fields[i] = Uint32(key, uint32(typedVal))
		case uint16:
			fields[i] = Uint32(key, uint32(typedVal))
		case uint32:
			fields[i] = Uint32(key, typedVal)
		case float32:
			fields[i] = Float32(key, typedVal)
		case float64:
			fields[i] = Float64(key, typedVal)
		default:
			// When in doubt, coerce to a string
			fields[i] = String(key, fmt.Sprint(typedVal))
		}
	}
	return fields, nil
}
func InterleavedKVToFields ( keyValues ... interface { } ) ( [ ] Field , error ) { if len ( keyValues ) % 2 != 0 { return nil , fmt . Errorf ( " " , len ( keyValues ) ) } fields := make ( [ ] Field , len ( keyValues ) / 2 ) for i := 0 ; i * 2 < len ( keyValues ) ; i ++ { key , ok := keyValues [ i * 2 ] . ( string ) if ! ok { return nil , fmt . Errorf ( " " , i , keyValues [ i * 2 ] ) } switch typedVal := keyValues [ i * 2 + 1 ] . ( type ) { case bool : fields [ i ] = Bool ( key , typedVal ) case string : fields [ i ] = String ( key , typedVal ) case int : fields [ i ] = Int ( key , typedVal ) case int8 : fields [ i ] = Int32 ( key , int32 ( typedVal ) ) case int16 : fields [ i ] = Int32 ( key , int32 ( typedVal ) ) case int32 : fields [ i ] = Int32 ( key , typedVal ) case int64 : fields [ i ] = Int64 ( key , typedVal ) case uint : fields [ i ] = Uint64 ( key , uint64 ( typedVal ) ) case uint64 : fields [ i ] = Uint64 ( key , typedVal ) case uint8 : fields [ i ] = Uint32 ( key , uint32 ( typedVal ) ) case uint16 : fields [ i ] = Uint32 ( key , uint32 ( typedVal ) ) case uint32 : fields [ i ] = Uint32 ( key , typedVal ) case float32 : fields [ i ] = Float32 ( key , typedVal ) case float64 : fields [ i ] = Float64 ( key , typedVal ) default : // When in doubt, coerce to a string fields [ i ] = String ( key , fmt . Sprint ( typedVal ) ) } } return fields , nil }
// InterleavedKVToFields converts keyValues a la Span.LogKV() to a Field slice
// a la Span.LogFields().
InterleavedKVToFields converts keyValues a la Span . LogKV () to a Field slice a la Span . LogFields () .