if out.w == 0 {
		return "."
	}

	return out.string()
}

// Split splits path immediately following the final slash,
// separating it into a directory and file name component.
// If there is no slash in path, Split returns an empty dir and
// file set to path.
// The returned values have the property that path = dir+file.
func Split(path string) (dir, file string) {
	i := bytealg.LastIndexByteString(path, '/')

					str, typ := split(s[2:len(s)-2], ", ")
					str, val := split(str, "=>")
					testEval(t, fset, pkg, comment.Pos(), str, nil, typ, val)
				}
			}
		}
	}
}

// gotypesalias controls the use of Alias types.
var gotypesalias = godebug.New("#gotypesalias")

// split splits string s at the first occurrence of s, trimming spaces.
func split(s, sep string) (string, string) {

      return op.emitOpError("failed to open vocabulary file")
             << " (" << filename << "): " << error_message;
    }

    // Splits into lines.
    SmallVector<StringRef, 8> lines;
    file->getBuffer().split(lines, "\n", -1, false);
    // The resize method is used since split operator puts tail value in the end
    // without splitting the leftovers.
    if (op.getVocabSize() != -1) lines.resize(op.getVocabSize());

	parsed.Scheme = ""
	return parsed, nil
}

// SplitURL splits the host name into parts, as well as the port
func SplitURL(url *url.URL) (parts []string, port string) {
	host, port, err := net.SplitHostPort(url.Host)
	if err != nil {
		// could not parse port
		host, port = url.Host, ""
	}
	return strings.Split(host, "."), port
}

	}

	return "", fmt.Errorf("unsupported fieldPath: %v", fieldPath)
}

// SplitMaybeSubscriptedPath checks whether the specified fieldPath is
// subscripted, and
//   - if yes, this function splits the fieldPath into path and subscript, and
//     returns (path, subscript, true).
//   - if no, this function returns (fieldPath, "", false).
//
// Example inputs and outputs:
//

func NewBuildInfoFromOldString(oldOutput string) (BuildInfo, error) {
	res := BuildInfo{}

	lines := strings.Split(oldOutput, "\n")
	for _, line := range lines {
		if strings.TrimSpace(line) == "" {
			continue
		}
		fields := strings.SplitN(line, ":", 2)
		if fields != nil {
			if len(fields) != 2 {
				return BuildInfo{}, fmt.Errorf("invalid BuildInfo input, field '%s' is not valid", fields[0])

	// the ARN would not match any configured ARNs in the server.
	if ps[4] != "" {
		err = errors.New("invalid ARN - unsupported account-id field")
		return
	}

	res := strings.SplitN(ps[5], "/", 2)
	if len(res) != 2 {
		err = errors.New("invalid ARN - resource does not contain a \"/\"")
		return
	}

	if res[0] != string(arnResourceTypeRole) {

func (g goroutineByID) Less(i, j int) bool { return g[i].id < g[j].id }
func (g goroutineByID) Swap(i, j int)      { g[i], g[j] = g[j], g[i] }

func interestingGoroutine(g string) (*goroutine, error) {
	sl := strings.SplitN(g, "\n", 2)
	if len(sl) != 2 {
		return nil, fmt.Errorf("error parsing stack: %q", g)
	}
	stack := strings.TrimSpace(sl[1])
	if strings.HasPrefix(stack, "testing.RunTests") {
		return nil, nil
	}

	}
	// Remove the starting --
	arg = strings.TrimPrefix(arg, "--")
	// Split the string on =. Return only two substrings, since we want only key/value, but the value can include '=' as well
	keyvalSlice := strings.SplitN(arg, "=", 2)

	// Make sure both a key and value is present
	if len(keyvalSlice) != 2 {

	// process flags
	*simplifyAST = false
	*rewriteRule = ""
	info, err := os.Lstat(in)
	if err != nil {
		t.Error(err)
		return
	}
	for _, flag := range strings.Split(gofmtFlags(in, 20), " ") {
		elts := strings.SplitN(flag, "=", 2)
		name := elts[0]
		value := ""
		if len(elts) == 2 {
			value = elts[1]
		}
		switch name {
		case "":
			// no flags
		case "-r":
			*rewriteRule = value