hugo/docs/content/en/functions/with.md

title	description	godocref	date	publishdate	lastmod	categories	menu	keywords	signature	workson	hugoversion	relatedfuncs	deprecated
with	Rebinds the context (`.`) within its scope and skips the block if the variable is absent.		2017-02-01	2017-02-01	2017-03-12	functions	docs parent functions	conditionals	with INPUT				false

An alternative way of writing an if statement and then referencing the same value is to use with instead. with rebinds the context (.) within its scope and skips the block if the variable is absent or unset.

The following example checks for a user-defined site variable called twitteruser. If the key-value is not set, the following will render nothing:

{{< code file="layouts/partials/twitter.html" >}} {{with .Site.Params.twitteruser}} {{end}} {{< /code >}}