# assert/not-empty?
Assert a collection or string is non-empty. Used inside `deftest` blocks.
## Syntax
[assert/not-empty? $xs]
## Parameters
- `$xs` — collection or string to check.
## Examples
[assert/not-empty? $results] [assert/not-empty? $name]
## Returns
`true` on success; raises a runtime error on failure.
## See Also
`assert/empty?`, `assert/length`, `deftest`