| Name | Description | 
|---|---|
| arg | Base class for string tokens, and algorithm parameters | 
| is_token | Trait to determine if a type is a string token | 
| return_string | A string token for returning a plain string | 
| Name | Description | 
|---|---|
| append_to | Create a string token for appending to a plain string | 
| assign_to | Create a string token for assigning to a plain string | 
| preserve_size | Create a string token for a durable core::string_view | 
| Name | Description | 
|---|---|
| StringToken | Concept for a string token |