2b965cb8f7
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32 lines
539 B
Go
32 lines
539 B
Go
package template
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import "errors"
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type StringOrSlice []string
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func (s *StringOrSlice) UnmarshalYAML(unmarshal func(any) error) error {
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var single string
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if err := unmarshal(&single); err == nil {
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if single == "" {
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*s = nil
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return nil
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}
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*s = []string{single}
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return nil
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}
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var multi []string
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if err := unmarshal(&multi); err == nil {
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*s = multi
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return nil
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}
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var nothing *struct{}
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if err := unmarshal(¬hing); err == nil {
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*s = nil
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return nil
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}
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return errors.New("expected string, []string, or null")
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}
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