github.com/jbramsden/hugo@v0.47.1/docs/content/en/functions/_index.md (about)

     1  ---
     2  title: Functions Quick Reference
     3  linktitle: Functions Quick Reference
     4  description: Comprehensive list of Hugo templating functions, including basic and advanced usage examples.
     5  godocref:
     6  date: 2017-02-01
     7  publishdate: 2017-02-01
     8  lastmod: 2017-02-01
     9  keywords: []
    10  menu:
    11    docs:
    12      parent: "functions"
    13  weight: 01	#rem
    14  draft: false
    15  aliases: [/layout/functions/,/templates/functions]
    16  ---
    17  
    18  Go templates are lightweight but extensible. Go itself supplies built-in functions, including comparison operators and other basic tools. These are listed in the [Go template documentation][gofuncs]. Hugo has added additional functions to the basic template logic.
    19  
    20  [gofuncs]: http://golang.org/pkg/text/template/#hdr-Functions