pub type DisplayName<F> = Path<F>;
Describes the syntactical name of a type at a given type position.
This is important when trying to work with type aliases. Normally a type alias is transparent and so scenarios such as
type Foo = i32; fn bar(foo: Foo);
Will only communicate that
foo is of type
i32 which is correct,
however, it will miss the potentially important information that it
is being used through a type alias named
In ink! we currently experience this problem with environmental types
such as the
Balance type that is just a type alias to
u128 in the
default setup. Even though it would be useful for third party tools
such as the Polkadot UI to know that we are handling with
types, we currently cannot communicate this without display names.