41 lines
980 B
Go
41 lines
980 B
Go
// Copyright (c) 2023-2024 Onur Cinar.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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// https://github.com/cinar/checker
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package checker
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import (
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"errors"
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"reflect"
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)
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// tagSame is the tag of the checker.
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const tagSame = "same"
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// ErrNotSame indicates that the given two values are not equal to each other.
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var ErrNotSame = errors.New("does not match the other")
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// makeSame makes a checker function for the same checker.
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func makeSame(config string) CheckFunc {
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return func(value, parent reflect.Value) error {
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return checkSame(value, parent, config)
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}
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}
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// checkSame checks if the given value is equal to the value of the field with the given name.
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func checkSame(value, parent reflect.Value, name string) error {
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other := parent.FieldByName(name)
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if !other.IsValid() {
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panic("other field not found")
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}
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other = reflect.Indirect(other)
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if !value.Equal(other) {
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return ErrNotSame
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}
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return nil
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}
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