Skip to content

Update to dyn Trait syntax in a couple places #875

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Aug 12, 2020
Merged

Update to dyn Trait syntax in a couple places #875

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion src/subtyping.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,7 @@ Variance of types is automatically determined as follows
| `fn(T) -> ()` | | contravariant |
| `std::cell::UnsafeCell<T>` | | invariant |
| `std::marker::PhantomData<T>` | | covariant |
| `Trait<T> + 'a` | covariant | invariant |
| `dyn Trait<T> + 'a` | covariant | invariant |

The variance of other `struct`, `enum`, `union`, and tuple types is decided by
looking at the variance of the types of their fields. If the parameter is used
Expand Down
4 changes: 2 additions & 2 deletions src/type-layout.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -95,8 +95,8 @@ zero-sized type to have a size of 0 and an alignment of 1.

Trait objects have the same layout as the value the trait object is of.

> Note: This is about the raw trait object types, not pointers (`&Trait`,
> `Box<Trait>`, etc.) to trait objects.
> Note: This is about the raw trait object types, not pointers (`&dyn Trait`,
> `Box<dyn Trait>`, etc.) to trait objects.

## Closure Layout

Expand Down