Text and HTML templates:
*Custom functions
Custom functions
suggest changeYou can define custom functions and make them available in templates:
const tmplStr = `5 + 5 = {{ sum 5 .Arg }}
`
customFunctions := template.FuncMap{
"sum": sum,
}
t := template.Must(template.New("func").Funcs(customFunctions).Parse(tmplStr))
data := struct {
Arg int
}{
Arg: 5,
}
err := t.Execute(os.Stdout, data)
if err != nil {
log.Fatalf("t.Execute() failed with '%s'\n", err)
}5 + 5 = 10
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