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@uekkie(Hiroshi Ueki)

[golang]html/templateのテンプレートHTMLでマップ、スライス、配列の指定要素だけ使う記述

Last updated at Posted at 2016-05-10

先頭要素だけ使う

{{$var0 := index .Values 0}}
{{$var0}}

要素数の確認を入れたバージョン

+{{$length := len .Values}}
+  {{if ne $length 0}}
  {{$var0 := index .Values 0}}
  {{$var0}}
+{{end}}

全要素をループさせる場合

{{range $var := .Values}}
  {{$var}}
{{end}}

インデックスもつかうなら

{{range $index, $var := .Values}}
  {{$index}}
  {{$var}}
{{end}}

参考

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