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eq.go
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/
eq.go
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package txttmpl
import (
"bytes"
"text/template"
"github.com/devlights/gomy/output"
)
// Eq -- text/template の テンプレート仕様 における eq (equal) のサンプルです.
//
// # REFERENCES
// - https://pkg.go.dev/text/template@latest
func Eq() error {
const (
t1 = `{{$v := 10}} {{- if eq $v 10 -}} helloworld {{end}}`
t2 = `{{$v := 10}} {{- if eq $v 11 -}} helloworld {{end}}`
t3 = `{{$v := 10}} {{- if (eq $v 10) -}} helloworld {{end}}`
)
for _, t := range []string{t1, t2, t3} {
var (
tmpl *template.Template
buf bytes.Buffer
err error
)
output.Stdoutl("[template]", t)
tmpl, err = template.New("Eq").Parse(t)
if err != nil {
return err
}
err = tmpl.Execute(&buf, nil)
if err != nil {
return err
}
output.Stdoutf("[tmpl]", "%q\n", buf.String())
output.StdoutHr()
}
return nil
}