# assert/type
Assert the type name of a value. Used inside `deftest` blocks.
## Syntax
[assert/type $x $type-name]
## Parameters
- `$x` — the value to check.
- `$type-name` — expected type name as a string (e.g. `"string"`, `"number"`).
## Examples
[assert/type $name "string"] [assert/type $count "number"]
## Returns
`true` on success; raises a runtime error on failure.
## See Also
`assert/eq`, `assert/not-nil?`, `deftest`