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SE-0499: Add items caught during review #3053

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SE-0499: Add items caught during review #3053

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29 changes: 25 additions & 4 deletions proposals/0499-support-non-copyable-simple-protocols.md
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Original file line number Diff line number Diff line change
Expand Up @@ -72,11 +72,17 @@ extension Comparable where Self: ~Copyable & ~Escapable {
protocol Hashable: Equatable & ~Copyable & ~Escapable { }

struct Hasher {
mutating func combine<H: Hashable & ~Copyable & ~Escapable>(_ value: borrowing H)
mutating func combine<
H: Hashable & ~Copyable & ~Escapable
>(_ value: borrowing H)
}

extension Optional: Equatable where Wrapped: Equatable & ~Copyable & ~Escapable {
public static func ==(lhs: borrowing Wrapped?, rhs: borrowing Wrapped?) -> Bool {
extension Optional: Equatable
where Wrapped: Equatable & ~Copyable & ~Escapable
{
public static func ==(
lhs: borrowing Wrapped?, rhs: borrowing Wrapped?
) -> Bool
}

extension Optional: Hashable where Wrapped: Hashable & ~Copyable & ~Escapable {
Expand All @@ -92,10 +98,25 @@ protocol TextOutputStreamable: ~Copyable & ~Escapable { }
protocol CustomStringConvertible: ~Copyable, ~Escapable { }
protocol CustomDebugStringConvertible: ~Copyable, ~Escapable { }

extension Result: Equatable where Success: Equatable & ~Copyable, Failure: Equatable {
extension String {
public init<
Subject: CustomStringConvertible & ~Copyable & ~Escapable
>(describing instance: borrowing Subject)

public init<
Subject: TextOutputStreamable & ~Copyable & ~Escapable
>(describing instance: borrowing Subject)
}

extension Result: Equatable
where Success: Equatable & ~Copyable, Failure: Equatable
{
public static func ==(lhs: borrowing Self, rhs: borrowing Self) -> Bool
}

extension Result: Hashable
where Success: Hashable & ~Copyable & ~Escapable, Failure: Hashable { }

extension DefaultStringInterpolation
mutating func appendInterpolation<T>(
_ value: borrowing T
Expand Down