fxlog

Documentation

Index

• type Logger
  • func New() *Logger
  • func (l *Logger) Fatalf(format string, v ...interface{})
  • func (l *Logger) Panic(err error)
  • func (l *Logger) PrintProvide(t interface{})
  • func (l *Logger) PrintSignal(signal os.Signal)
  • func (l *Logger) PrintSupply(constructor interface{})
  • func (l *Logger) Printf(format string, v ...interface{})
• type Printer
• type Spy
  • func (s *Spy) Messages() []string
  • func (s *Spy) Printf(msg string, args ...interface{})
  • func (s *Spy) Reset()
  • func (s *Spy) String() string

Types

type Logger

type Logger struct {
	Printer
}

A Logger writes output to standard error.

func New

func New() *Logger

New returns a new Logger backed by the standard library's log package.

func (*Logger) Fatalf

func (l *Logger) Fatalf(format string, v ...interface{})

Fatalf logs an Fx line then fatals.

func (*Logger) Panic

func (l *Logger) Panic(err error)

Panic logs an Fx line then panics.

func (*Logger) PrintProvide

func (l *Logger) PrintProvide(t interface{})

PrintProvide logs a type provided into the dig.Container.

func (*Logger) PrintSignal

func (l *Logger) PrintSignal(signal os.Signal)

PrintSignal logs an os.Signal.

func (*Logger) PrintSupply

func (l *Logger) PrintSupply(constructor interface{})

PrintSupply logs a type supplied directly into the dig.Container by the given constructor function.

func (*Logger) Printf

func (l *Logger) Printf(format string, v ...interface{})

Printf logs a formatted Fx line.

type Printer

type Printer interface {
	Printf(string, ...interface{})
}

Printer is a formatting printer.

type Spy

type Spy struct {
	// contains filtered or unexported fields
}

Spy is an Fx Printer that captures logged statements. It may be used in tests of Fx logs.

func (*Spy) Messages

func (s *Spy) Messages() []string

Messages returns a copy of all captured messages.

func (*Spy) Printf

func (s *Spy) Printf(msg string, args ...interface{})

Printf logs the given message, formatting it in printf-style.

func (*Spy) Reset

func (s *Spy) Reset()

Reset clears all messages from the Spy.

func (*Spy) String

func (s *Spy) String() string

String returns all logged messages as a single newline-delimited string.