# assert/empty? Assert a collection or string is empty. Used inside `deftest` blocks. ## Syntax

[assert/empty? $xs]

## Parameters - `$xs` — collection or string to check. ## Examples

[assert/empty? $cleared]
[assert/empty? ""]

## Returns `true` on success; raises a runtime error on failure. ## See Also `assert/not-empty?`, `assert/contains?`, `deftest`