# assert/truthy
Assert a value is truthy. Used inside `deftest` blocks.
## Syntax
[assert/truthy $x]
## Parameters
- `$x` — the value to check.
## Examples
[assert/truthy $flag] [assert/truthy ($count > 0)]
## Returns
`true` on success; raises a runtime error on failure.
## See Also
`assert/falsy`, `assert/not-nil?`, `deftest`