case len(hostport):
			// There can't be a ':' behind the ']' now.
			return addrErr(hostport, missingPort)
		case i:
			// The expected result.
		default:
			// Either ']' isn't followed by a colon, or it is
			// followed by a colon that is not the last one.
			if hostport[end+1] == ':' {
				return addrErr(hostport, tooManyColons)
			}
			return addrErr(hostport, missingPort)
		}
		host = hostport[1:end]

			continue
		}
		result[n] = b
		n++
	}

	return result[0:n]
}

var pemStart = []byte("\n-----BEGIN ")
var pemEnd = []byte("\n-----END ")
var pemEndOfLine = []byte("-----")
var colon = []byte(":")

// Decode will find the next PEM formatted block (certificate, private key
// etc) in the input. It returns that block and the remainder of the input. If

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package user

import "sync"

const (
	userFile  = "/etc/passwd"
	groupFile = "/etc/group"
)

var colon = []byte{':'}

// Current returns the current user.
//
// The first call will cache the current user information.
// Subsequent calls will return the cached value and will not reflect
// changes to the current user.

		case *RangeClause:
			m = n.X
		case *CaseClause:
			if l := lastStmt(n.Body); l != nil {
				m = l
				continue
			}
			return n.Colon
		case *CommClause:
			if l := lastStmt(n.Body); l != nil {
				m = l
				continue
			}
			return n.Colon

		default:
			return n.Pos()
		}
	}
}

func lastDecl(list []Decl) Decl {
	if l := len(list); l > 0 {
		return list[l-1]
	}

			// (a Root Local Device path).
			if b.Len() == 1 && strings.HasPrefix(e, "??") && (len(e) == len("??") || os.IsPathSeparator(e[2])) {
				b.WriteString(`.\`)
			}
		case lastChar == ':':
			// If the path ends in a colon, keep the path relative to the current directory
			// on a drive and don't add a separator. Preserve leading slashes in the next
			// path element, which may make the path absolute.
			//
			// 	Join(`C:`, `f`) = `C:f`

    * You can imagine that `main:app` is equivalent to a Python `import` statement like:

        ```Python
        from main import app
        ```

    * So, the colon in `main:app` would be equivalent to the Python `import` part in `from main import app`.

* `--workers`: The number of worker processes to use, each will run a Uvicorn worker, in this case, 4 workers.

		// Path rooted in the current drive.
		return false
	}
	if stringslite.IndexByte(path, ':') >= 0 {
		// Colons are only valid when marking a drive letter ("C:foo").
		// Rejecting any path with a colon is conservative but safe.
		return false
	}
	hasDots := false // contains . or .. path elements
	for p := path; p != ""; {
		var part string
		part, p, _ = cutPath(p)
		if part == "." || part == ".." {

	}

	return AddrFrom16(ret).WithZone(zone), nil
}

// normalizeIPv6Slow expands s, which is assumed to be an IPv6
// address, to its canonical text form.
//
// The canonical form of an IPv6 address is 8 colon-separated fields,
// where each field should be a hex value from 0 to ffff. This
// function does not verify the contents of each field.
//
// This function performs two transformations: