41 lines
1.3 KiB
Go
41 lines
1.3 KiB
Go
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// Copyright (C) 2018 spdfg
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//
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// This file is part of Elektron.
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//
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// Elektron is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Elektron is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Elektron. If not, see <http://www.gnu.org/licenses/>.
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//
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// Package validation contains utilities to help run validators.
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package validation
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import "github.com/pkg/errors"
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// Validator is a function that performs some sort of validation.
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// To keep things generic, this function does not accept any arguments.
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// In practice, a validator could be a closure.
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type Validator func() error
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// Validate a list of validators.
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// If validation fails, then wrap the returned error with the given base
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// error message.
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func Validate(baseErrMsg string, validators ...Validator) error {
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for _, v := range validators {
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if err := v(); err != nil {
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return errors.Wrap(err, baseErrMsg)
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}
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}
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return nil
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}
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