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44 lines
2.1 KiB
44 lines
2.1 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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// Unwrapper is an interface that defines the method Unwrap.
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// The Unwrap method should return the underlying error that is wrapped by the type implementing this interface.
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type Unwrapper interface {
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Unwrap() error
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}
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// UnwrapperFnc is a function type that implements the Unwrapper interface.
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// It is a function that returns an error when called.
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type UnwrapperFnc func() error
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// Unwrap implements the Unwrapper interface for the UnwrapperFnc type.
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// It invokes the function f and returns the error that the function returns.
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func (f UnwrapperFnc) Unwrap() error {
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return f() // Call the function and return its error result.
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}
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