hugo/docs/content/en/functions/math/Counter.md

title	description	categories	keywords	action
math.Counter	Increments and returns a global counter.			aliases related returnType signatures uint64 math.Counter

The counter is global for both monolingual and multilingual sites, and its initial value for each build is 1.

{{ warnf "single.html called %d times" math.Counter }}

WARN  single.html called 1 times
WARN  single.html called 2 times
WARN  single.html called 3 times

Use this function to:

• Create unique warnings as shown above; the warnf function suppresses duplicate messages
• Create unique target paths for the resources.FromString function where the target path is also the cache key

{{% note %}} Due to concurrency, the value returned in a given template for a given page will vary from one build to the next. You cannot use this function to assign a static id to each page. {{% /note %}}