Summary
    Check that all items are unique.
    
		- Namespace
 - TCLite
.Constraints  - Containing Type
 - Unique
Items Constraint  
Syntax
protected override bool Match(IEnumerable actual)
	Parameters
| Name | Type | Description | 
|---|---|---|
| actual | IEnumerable | 
Return Value
| Type | Description | 
|---|---|
| bool | 
