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41 lines
638 B
41 lines
638 B
4 years ago
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package main
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import (
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"bytes"
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"text/template"
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)
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var errorsTemplate = `const (
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{{ range .Errors }}
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Errors_{{.Value}} = "{{.Name}}_{{.Value}}"
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{{- end }}
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)
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{{ range .Errors }}
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func Is{{.Value}}(err error) bool {
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return errors.Reason(err) == Errors_{{.Value}}
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}
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{{- end }}
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`
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type errorInfo struct {
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Name string
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Value string
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}
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type errorWrapper struct {
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Errors []*errorInfo
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}
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func (e *errorWrapper) execute() string {
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buf := new(bytes.Buffer)
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tmpl, err := template.New("errors").Parse(errorsTemplate)
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if err != nil {
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panic(err)
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}
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if err := tmpl.Execute(buf, e); err != nil {
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panic(err)
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}
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return string(buf.Bytes())
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}
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