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83 lines
3.0 KiB
83 lines
3.0 KiB
// =============================================================================
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// Active-GO Framework
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// Copyright (c) 2024 ActiveThing (https://activething.com)
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// Author: Juan V. Navarro juanvnl@activething.com
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// =============================================================================
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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// =============================================================================
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package errs
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// ErrMulti is a struct that represents multiple errors as a single error
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// It embeds ErrorList to provide all error list functionality
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type (
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ErrMulti struct {
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ErrorList
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}
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)
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// NewErrMulti creates a new ErrMulti instance from variable number of errors
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// It cleans the error list by removing nil errors before creating the instance
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// Returns a pointer to the new ErrMulti
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func NewErrMulti(err ...error) *ErrMulti {
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return &ErrMulti{ErrorList: ErrorList(err).Clean()}
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}
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// NewErrMultiIf creates a new error from a slice of errors
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// Returns nil if the input slice is empty
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// Returns an ErrMulti pointer containing the errors otherwise
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func NewErrMultiIf(errors []error) error {
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if len(errors) == 0 {
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return nil
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}
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return &ErrMulti{errors}
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}
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// Code returns the error code for multi-error situations
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// Returns the constant CodeMultiError
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func (e ErrMulti) Code() string {
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return CodeMultiError
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}
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// Error implements the error interface
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// Returns the CodeMultiError as the error Msg
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func (e ErrMulti) Error() string {
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return CodeMultiError
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}
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// Unwrap implements the unwrap interface for multiple errors
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// Returns the underlying slice of errors
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func (e ErrMulti) Unwrap() []error {
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return e.ErrorList
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}
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// Causes returns all underlying errors
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// This is an alias for Unwrap() providing a more semantic name
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func (e ErrMulti) Causes() []error {
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return e.ErrorList
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}
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// With returns a WrapErrWith instance containing this ErrMulti
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// Enables using the wrapper's additional error handling functionality
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func (e ErrMulti) With() ErrWith {
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return MakeErrWith(e)
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}
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