Derive no bound macros (to be also used in pallet macro) (#7280)

* derive no bound macros

* explicit different variant for partialeq

* fix ui for 1.47

* Apply suggestions from code review

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* move test to frame-support-test

* renames, code organization and remove expect as suggested

* better doc

* remove DebugStripped introduce RuntimeDebugNoBound

* rename

* fix test

* fix ui test

* fix line width

* Update frame/support/src/lib.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update frame/support/procedural/src/clone_no_bound.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* fix confusing dead code

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
Guillaume Thiolliere
2020-10-19 11:11:51 +02:00
committed by GitHub
parent 87c18598fc
commit 7ca9baf9b6
17 changed files with 760 additions and 2 deletions
+74 -1
View File
@@ -268,9 +268,82 @@ macro_rules! ord_parameter_types {
#[doc(inline)]
pub use frame_support_procedural::{
decl_storage, construct_runtime, transactional
decl_storage, construct_runtime, transactional, RuntimeDebugNoBound
};
/// Derive [`Clone`] but do not bound any generic.
///
/// This is useful for type generic over runtime:
/// ```
/// # use frame_support::CloneNoBound;
/// trait Trait {
/// type C: Clone;
/// }
///
/// // Foo implements [`Clone`] because `C` bounds [`Clone`].
/// // Otherwise compilation will fail with an output telling `c` doesn't implement [`Clone`].
/// #[derive(CloneNoBound)]
/// struct Foo<T: Trait> {
/// c: T::C,
/// }
/// ```
pub use frame_support_procedural::CloneNoBound;
/// Derive [`Eq`] but do not bound any generic.
///
/// This is useful for type generic over runtime:
/// ```
/// # use frame_support::{EqNoBound, PartialEqNoBound};
/// trait Trait {
/// type C: Eq;
/// }
///
/// // Foo implements [`Eq`] because `C` bounds [`Eq`].
/// // Otherwise compilation will fail with an output telling `c` doesn't implement [`Eq`].
/// #[derive(PartialEqNoBound, EqNoBound)]
/// struct Foo<T: Trait> {
/// c: T::C,
/// }
/// ```
pub use frame_support_procedural::EqNoBound;
/// Derive [`PartialEq`] but do not bound any generic.
///
/// This is useful for type generic over runtime:
/// ```
/// # use frame_support::PartialEqNoBound;
/// trait Trait {
/// type C: PartialEq;
/// }
///
/// // Foo implements [`PartialEq`] because `C` bounds [`PartialEq`].
/// // Otherwise compilation will fail with an output telling `c` doesn't implement [`PartialEq`].
/// #[derive(PartialEqNoBound)]
/// struct Foo<T: Trait> {
/// c: T::C,
/// }
/// ```
pub use frame_support_procedural::PartialEqNoBound;
/// Derive [`Debug`] but do not bound any generic.
///
/// This is useful for type generic over runtime:
/// ```
/// # use frame_support::DebugNoBound;
/// # use core::fmt::Debug;
/// trait Trait {
/// type C: Debug;
/// }
///
/// // Foo implements [`Debug`] because `C` bounds [`Debug`].
/// // Otherwise compilation will fail with an output telling `c` doesn't implement [`Debug`].
/// #[derive(DebugNoBound)]
/// struct Foo<T: Trait> {
/// c: T::C,
/// }
/// ```
pub use frame_support_procedural::DebugNoBound;
/// Assert the annotated function is executed within a storage transaction.
///
/// The assertion is enabled for native execution and when `debug_assertions` are enabled.