Enum WhereClausePlacement 

pub enum WhereClausePlacement {
    Early,
    Late,
}

Variants

Early

type Ty<T> where T: 'static = T;

In associated types, this syntax is deprecated in favor of the late placement.

warning: where clause not allowed here
  --> src/main.rs
   |
   | impl Trait for Thing { type Ty<T> where T: 'static = T; }
   |                                   ^^^^^^^^^^^^^^^^
   = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
   = note: `#[warn(deprecated_where_clause_location)]` on by default

Late

type Ty<T> = T where T: 'static;

In item-level type aliases, this syntax is unstable.

error: where clauses are not allowed after the type for type aliases
 --> src/main.rs
  |
  | type Ty<T> = T where T: 'static;
  |                ^^^^^^^^^^^^^^^^
  = note: see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
  = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable

Trait Implementations

impl Clone for WhereClausePlacement

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for WhereClausePlacement

impl Debug for WhereClausePlacement

Available on crate feature full only.

fn fmt(&self, formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for WhereClausePlacement

Available on crate feature full only.

impl Hash for WhereClausePlacement

Available on crate feature full only.

fn hash<H>(&self, state: &mut H)

where H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for WhereClausePlacement

Available on crate feature full only.

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.