ezdbg

package
v2.7.2 Latest Latest
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Published: Mar 21, 2023 License: MIT Imports: 9 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func Config

func Config(cfg Cfg)

Config configures the behavior of functions in this package.

func DEBUG

func DEBUG(args ...any)

DEBUG is debug message logger which do nothing if debug level is not enabled (the default). It gives best performance for production deployment by eliminating unnecessary parameter evaluation and control flows.

DEBUG accepts very flexible arguments to help development, see the following examples:

// func()
DEBUG(func() {
	logrus.Debug(something)
	for _, item := range someSlice {
		logrus.Debug(item)
	}
})

// logger from context with or without format
DEBUG(ctx, 1, 2, 3)
DEBUG(ctx, "a=%v b=%v c=%v", 1, 2, 3)

// log variables with or without format
DEBUG(1, 2, 3)
DEBUG("a=%v b=%v c=%v", 1, 2, 3)

// optionally a DebugLogger can be provided as the first parameter
logger := logrus.WithField("key", "dummy")
DEBUG(logger, "aa", 2, 3)
DEBUG(logger, "a=%v b=%v c=%v", "aa", 2, 3)

// or a function which returns a logger implements DebugLogger
logger := func() *logrus.Entry { ... }
DEBUG(logger, "aa", 2, 3)
DEBUG(logger, "a=%v b=%v c=%v", "aa", 2, 3)

// or a print function to print the log message
logger := logrus.Debugf
DEBUG(logger, "aa", 2, 3)
DEBUG(logger, "a=%v b=%v c=%v", "aa", 2, 3)

// non-basic-type values will be formatted using json
obj := &SomeStructType{Field1: "blah", Field2: 1234567, Field3: true}
DEBUG(logger, "obj=%v", obj)

func DEBUGSkip

func DEBUGSkip(skip int, args ...any)

DEBUGSkip is similar to DEBUG, but it has an extra skip param to skip stacktrace to get correct caller information. When you wrap functions in this package, you always want to use the functions which end with "Skip".

func DUMP

func DUMP(args ...any)

DUMP is similar to DEBUG, but it calls spew.Sdump to format non-basic-type data.

func DUMPSkip

func DUMPSkip(skip int, args ...any)

DUMPSkip is similar to DUMP, but it has an extra skip param to skip stacktrace to get correct caller information. When you wrap functions in this package, you always want to use the functions which end with "Skip".

func PRETTY

func PRETTY(args ...any)

PRETTY is similar to DEBUG, but it calls Pretty to format non-basic-type data.

func PRETTYSkip

func PRETTYSkip(skip int, args ...any)

PRETTYSkip is similar to PRETTY, but it has an extra skip param to skip stacktrace to get correct caller information. When you wrap functions in this package, you always want to use the functions which end with "Skip".

func SPEW

func SPEW(args ...any)

SPEW is similar to DEBUG, but it calls spew.Sprintf to format non-basic-type data.

func SPEWSkip

func SPEWSkip(skip int, args ...any)

SPEWSkip is similar to SPEW, but it has an extra skip param to skip stacktrace to get correct caller information. When you wrap functions in this package, you always want to use the functions which end with "Skip".

Types

type Cfg

type Cfg struct {
	EnableDebug func(context.Context) bool
	LoggerFunc  func(context.Context) DebugLogger
}

type DebugLogger

type DebugLogger interface {
	Debugf(format string, args ...any)
}

DebugLogger is an interface which log an message at DEBUG level. It's implemented by *logrus.Logger, *logrus.Entry, *zap.SugaredLogger, and many other logging packages.

type PrintFunc

type PrintFunc func(format string, args ...any)

PrintFunc is a function to print the given arguments in format to somewhere. It implements the interface `ErrDebugLogger`.

func (PrintFunc) Debugf

func (f PrintFunc) Debugf(format string, args ...any)

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