# reduced?
True if a value is a `%Reduced` early-termination wrapper.
## Syntax
[reduced? $v]
## Parameters
- `$v` — Any value.
## Examples
[reduced? [reduced 5]] # true [reduced? 5] # false [reduced? nil] # false
## Returns
Boolean.
## See Also
`reduced`, `unreduced`, `transduce`, `completing`