package module
Version: v0.1.4 Latest Latest

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Published: Apr 29, 2022 License: MIT Imports: 6 Imported by: 36




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func EnvUsage

func EnvUsage(f string, env string) string

EnvUsage returns a standard usage message for the address flag -f that reads its default value from the environment variable env.


type Address

type Address struct {
	// contains filtered or unexported fields

Address represents an address of the form hostname:port or a websocket URI.

func New

func New(s string) (*Address, error)

New parses a hostname:port pair of the form "hostname[:port]" or "tcp://hostname[:port][/]", or a websocket URI of the form "ws://host/path". The returned address will have been validated.

func NewTCP

func NewTCP(hostname string, port int) (*Address, error)

NewTCP returns a new address for the given tcp hostname and port number.

func (*Address) EscapedPath

func (a *Address) EscapedPath() string

EscapedPath returns the escaped form of the path. In general there are multiple possible escaped forms of any path.

func (*Address) HasPort

func (a *Address) HasPort() bool

HasPort returns true iff a port was specified.

func (*Address) Hostname

func (a *Address) Hostname() string

Hostname returns the hostname.

func (*Address) HostnameAndPort

func (a *Address) HostnameAndPort() string

HostnameAndPort returns "hostname[:port]".

func (*Address) IsTCP

func (a *Address) IsTCP() bool

IsTCP returns true iff the address is a tcp address.

func (*Address) Port

func (a *Address) Port() int

Port returns the port number (this will be 0 if unspecified).

func (*Address) Scheme

func (a *Address) Scheme() string

Scheme returns the scheme.

func (*Address) String

func (a *Address) String() string

String returns a string representation of the address.

func (*Address) URI

func (a *Address) URI() string

URI returns the address as a URI.

type Flag

type Flag struct {
	// contains filtered or unexported fields

Flag defines an address flag. This satisfies the pcastools/flag.Flag interface.

func NewFlag

func NewFlag(name string, addr **Address, defaultAddr *Address, description string, usage string) *Flag

NewFlag represents an address flag with the given name, description, and usage string. It has backing variable addr, with default value defaultAddr.

func (*Flag) Description

func (f *Flag) Description() string

Description returns a one-line description of this variable.

func (*Flag) Name

func (f *Flag) Name() string

Name returns the flag name (without leading hyphen).

func (*Flag) Parse

func (f *Flag) Parse(in string) error

Parse parses the string.

func (*Flag) Usage

func (f *Flag) Usage() string

Usage returns long-form usage text (or the empty string if not set).

Source Files

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