Helper-struct that inherits std::true_type if functor T_Append is specialized for type T, otherwise std::false_type.
| T | The type to check. |
| TChar | The character type of the AString that T is asked to be appendable to. |
| TAllocator | The allocator type of the AString, as prototyped with Allocator. |
| TEnableIf | Used for conditional specializations of this struct. |
Definition at line 128 of file tastring.inl.