app

Go utilities for application development.

Features

• MetaError: Rich error context with stack traces, file locations, and CSV serialization
• MultiError: Aggregate multiple errors
• DebugContext: Context with value inspection capabilities
• CloseWithLog: Resource cleanup with logging and retries
• Application mode control (ReleaseMode, DevMode, DebugMode)
• Context utilities
  • MainContext: App-level context with signal handling
  • ContextCancelled: Status checks
• Robustness helpers
  • SleepMinPlusRandom: Jittered delays
  • ReturnTrueXPercentOfTime: Probabilistic execution

Usage

// Error handling with context
err := app.NewMetaError(errors.New("something failed"))
fmt.Printf("%+v\n", err) // Prints error with stack trace

// Multiple errors
mErr := app.NewMultiError(err1, err2)
if mErr.HasErrors() {
    log.Fatal(mErr)
}

// Logging with context
defer app.LogSince("operation completed", time.Now())

// Resource cleanup
defer app.CloseWithLog(file, "file")

Install

go get github.com/mhpenta/app