nactive/src/core/errs/panic_err.go

// =============================================================================
//  Active-GO Framework
//  Copyright (c) 2025 ActiveThing (https://activething.com)
//  Author: Juan V. Navarro juanvnl@activething.com
// =============================================================================
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
//
// =============================================================================
// Date Create  13/05/2025
// =============================================================================

package errs

const (
	// errPanic is the error class name used to represent panics converted to errors.
	errPanic = moduleName + "panic"
)

type (
	// PanicErr is an error type that wraps a recovered panic.
	// It allows treating a panic as a structured error.
	PanicErr struct {
		Err         // Embeds the Err type to inherit its methods and basic structure.
		cause error // cause stores the recovered panic value, converted to an error type.
	}
)

// CreatePanicErr creates a new PanicErr instance from a recovered panic value.
// It converts the panic value to an error type using ToError.
func CreatePanicErr(cause any) PanicErr {
	return PanicErr{
		Err:   CreateErr(errPanic), // Creates a base error with the "panic" class.
		cause: ToError(cause),      // Converts the panic value to an error.
	}
}

// Cause implements the Causer interface for PanicErr.
// It returns the underlying error representing the panic value.
func (e PanicErr) Cause() error { return e.cause }

// Unwrap implements Go 1.13+'s errors.Unwrap interface.
// It returns the underlying error representing the panic value, allowing
// the PanicErr to be unwrapped to access the original cause.
func (e PanicErr) Unwrap() error { return e.cause }