Enum ClientWiring

Source

pub enum ClientWiring {
    Local,
    Rest {
        endpoint: String,
        tuning: ClientTuning,
    },
    Grpc {
        endpoint: String,
        tuning: ClientTuning,
    },
}

Expand description

Transport choice + endpoint + tuning for one provided contract.

Read by #[toolkit::provides] from gears.<gear>.config.client_wiring.<contract_snake>. If the key is absent the wiring defaults to ClientWiring::Local.

Variants§

§

Local

In-process. The provider gear’s local factory is invoked.

§

Rest

Generated REST client points at endpoint.

Fields

§endpoint: String

§tuning: ClientTuning

§

Grpc

Generated gRPC client connects to endpoint.

Fields

§endpoint: String

§tuning: ClientTuning

Trait Implementations§

Source §

impl Clone for ClientWiring

Source §

fn clone(&self) -> ClientWiring

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

Source §

impl Debug for ClientWiring

Source §

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

Formats the value using the given formatter. Read more

Source §

impl Default for ClientWiring

Source §

fn default() -> ClientWiring

Returns the “default value” for a type. Read more

Source §

impl<'de> Deserialize<'de> for ClientWiring

Source §

fn deserialize<D>( deserializer: D, ) -> Result<ClientWiring, <D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

Auto Trait Implementations§

§

impl UnsafeUnpin for ClientWiring

Blanket Implementations§

Source §

impl<T> Any for T
where T: 'static + ?Sized,

Source §

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

Source §

impl<T> Borrow<T> for T
where T: ?Sized,

Source §

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

Source §

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source §

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

Source §

impl<T> CloneToUninit for T
where T: Clone,

Source §

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

Source §

impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

Source §

impl<T> DynClone for T
where T: Clone,

Source §

fn __clone_box(&self, _: Private) -> *mut ()

Source §

impl<T> From<T> for T

Source §

fn from(t: T) -> T

Returns the argument unchanged.

Source §

impl<T> FromRef<T> for T
where T: Clone,

Source §

fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.

Source §

impl<T> FutureExt for T

Source §

fn with_context(self, otel_cx: Context) -> WithContext<Self> ⓘ

Attaches the provided Context to this type, returning a WithContext wrapper. Read more

Source §

fn with_current_context(self) -> WithContext<Self> ⓘ

Attaches the current Context to this type, returning a WithContext wrapper. Read more

Source §

impl<'de, T> GtsDeserialize<'de> for T
where T: Deserialize<'de>,

Source §

fn gts_deserialize<D>( deserializer: D, ) -> Result<T, <D as Deserializer<'de>>::Error>
where D: Deserializer<'de>,

Deserialize this value using the GTS deserialization protocol. Read more

Source §

impl<T> Instrument for T

Source §

fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

Source §

fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

Source §

impl<T, U> Into for T
where U: From<T>,

Source §

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source §

impl<T> IntoEither for T

Source §

fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

Source §

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

Source §

impl<T> IntoRequest<T> for T

Source §

fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request

Source §

impl<L> LayerExt<L> for L

Source §

fn named_layer<S>(&self, service: S) -> Layered<<L as Layer<S>>::Service, S>
where L: Layer<S>,

Applies the layer to a service and wraps it in Layered.

Source §

impl<T> Paint for T
where T: ?Sized,

Source §

fn fg(&self, value: Color) -> Painted<&T>

Returns a styled value derived from self with the foreground set to value.

This method should be used rarely. Instead, prefer to use color-specific builder methods like red() and green(), which have the same functionality but are pithier.

§Example

Set foreground color to white using fg():

use yansi::{Paint, Color};

painted.fg(Color::White);

Set foreground color to white using white().

use yansi::Paint;

painted.white();

Source §

fn primary(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: Primary].

§Example

println!("{}", value.primary());

Source §

fn fixed(&self, color: u8) -> Painted<&T>

Returns self with the fg() set to [Color :: Fixed].

§Example

println!("{}", value.fixed(color));

Source §

fn rgb(&self, r: u8, g: u8, b: u8) -> Painted<&T>

Returns self with the fg() set to [Color :: Rgb].

§Example

println!("{}", value.rgb(r, g, b));

Source §

fn black(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: Black].

§Example

println!("{}", value.black());

Source §

fn red(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: Red].

§Example

println!("{}", value.red());

Source §

fn green(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: Green].

§Example

println!("{}", value.green());

Source §

fn yellow(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: Yellow].

§Example

println!("{}", value.yellow());

Source §

fn blue(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: Blue].

§Example

println!("{}", value.blue());

Source §

fn magenta(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: Magenta].

§Example

println!("{}", value.magenta());

Source §

fn cyan(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: Cyan].

§Example

println!("{}", value.cyan());

Source §

fn white(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: White].

§Example

println!("{}", value.white());

Source §

fn bright_black(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: BrightBlack].

§Example

println!("{}", value.bright_black());

Source §

fn bright_red(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: BrightRed].

§Example

println!("{}", value.bright_red());

Source §

fn bright_green(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: BrightGreen].

§Example

println!("{}", value.bright_green());

Source §

fn bright_yellow(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: BrightYellow].

§Example

println!("{}", value.bright_yellow());

Source §

fn bright_blue(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: BrightBlue].

§Example

println!("{}", value.bright_blue());

Source §

fn bright_magenta(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: BrightMagenta].

§Example

println!("{}", value.bright_magenta());

Source §

fn bright_cyan(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: BrightCyan].

§Example

println!("{}", value.bright_cyan());

Source §

fn bright_white(&self) -> Painted<&T>

Returns self with the fg() set to [Color :: BrightWhite].

§Example

println!("{}", value.bright_white());

Source §

fn bg(&self, value: Color) -> Painted<&T>

Returns a styled value derived from self with the background set to value.

This method should be used rarely. Instead, prefer to use color-specific builder methods like on_red() and on_green(), which have the same functionality but are pithier.

§Example

Set background color to red using fg():

use yansi::{Paint, Color};

painted.bg(Color::Red);

Set background color to red using on_red().

use yansi::Paint;

painted.on_red();

Source §

fn on_primary(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: Primary].

§Example

println!("{}", value.on_primary());

Source §

fn on_fixed(&self, color: u8) -> Painted<&T>

Returns self with the bg() set to [Color :: Fixed].

§Example

println!("{}", value.on_fixed(color));

Source §

fn on_rgb(&self, r: u8, g: u8, b: u8) -> Painted<&T>

Returns self with the bg() set to [Color :: Rgb].

§Example

println!("{}", value.on_rgb(r, g, b));

Source §

fn on_black(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: Black].

§Example

println!("{}", value.on_black());

Source §

fn on_red(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: Red].

§Example

println!("{}", value.on_red());

Source §

fn on_green(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: Green].

§Example

println!("{}", value.on_green());

Source §

fn on_yellow(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: Yellow].

§Example

println!("{}", value.on_yellow());

Source §

fn on_blue(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: Blue].

§Example

println!("{}", value.on_blue());

Source §

fn on_magenta(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: Magenta].

§Example

println!("{}", value.on_magenta());

Source §

fn on_cyan(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: Cyan].

§Example

println!("{}", value.on_cyan());

Source §

fn on_white(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: White].

§Example

println!("{}", value.on_white());

Source §

fn on_bright_black(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: BrightBlack].

§Example

println!("{}", value.on_bright_black());

Source §

fn on_bright_red(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: BrightRed].

§Example

println!("{}", value.on_bright_red());

Source §

fn on_bright_green(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: BrightGreen].

§Example

println!("{}", value.on_bright_green());

Source §

fn on_bright_yellow(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: BrightYellow].

§Example

println!("{}", value.on_bright_yellow());

Source §

fn on_bright_blue(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: BrightBlue].

§Example

println!("{}", value.on_bright_blue());

Source §

fn on_bright_magenta(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: BrightMagenta].

§Example

println!("{}", value.on_bright_magenta());

Source §

fn on_bright_cyan(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: BrightCyan].

§Example

println!("{}", value.on_bright_cyan());

Source §

fn on_bright_white(&self) -> Painted<&T>

Returns self with the bg() set to [Color :: BrightWhite].

§Example

println!("{}", value.on_bright_white());

Source §

fn attr(&self, value: Attribute) -> Painted<&T>

Enables the styling Attribute value.

This method should be used rarely. Instead, prefer to use attribute-specific builder methods like bold() and underline(), which have the same functionality but are pithier.

§Example

Make text bold using attr():

use yansi::{Paint, Attribute};

painted.attr(Attribute::Bold);

Make text bold using using bold().

use yansi::Paint;

painted.bold();

Source §

fn bold(&self) -> Painted<&T>

Returns self with the attr() set to [Attribute :: Bold].

§Example

println!("{}", value.bold());

Source §

fn dim(&self) -> Painted<&T>

Returns self with the attr() set to [Attribute :: Dim].

§Example

println!("{}", value.dim());

Source §

fn italic(&self) -> Painted<&T>

Returns self with the attr() set to [Attribute :: Italic].

§Example

println!("{}", value.italic());

Source §

fn underline(&self) -> Painted<&T>

Returns self with the attr() set to [Attribute :: Underline].

§Example

println!("{}", value.underline());

Source §

fn blink(&self) -> Painted<&T>

Returns self with the attr() set to [Attribute :: Blink].

§Example

println!("{}", value.blink());

Source §

fn rapid_blink(&self) -> Painted<&T>

Returns self with the attr() set to [Attribute :: RapidBlink].

§Example

println!("{}", value.rapid_blink());

Source §

fn invert(&self) -> Painted<&T>

Returns self with the attr() set to [Attribute :: Invert].

§Example

println!("{}", value.invert());

Source §

fn conceal(&self) -> Painted<&T>

Returns self with the attr() set to [Attribute :: Conceal].

§Example

println!("{}", value.conceal());

Source §

fn strike(&self) -> Painted<&T>

Returns self with the attr() set to [Attribute :: Strike].

§Example

println!("{}", value.strike());

Source §

fn quirk(&self, value: Quirk) -> Painted<&T>

Enables the yansi Quirk value.

This method should be used rarely. Instead, prefer to use quirk-specific builder methods like mask() and wrap(), which have the same functionality but are pithier.

§Example

Enable wrapping using .quirk():

use yansi::{Paint, Quirk};

painted.quirk(Quirk::Wrap);

Enable wrapping using wrap().

use yansi::Paint;

painted.wrap();

Source §

fn mask(&self) -> Painted<&T>

Returns self with the quirk() set to [Quirk :: Mask].

§Example

println!("{}", value.mask());

Source §

fn wrap(&self) -> Painted<&T>

Returns self with the quirk() set to [Quirk :: Wrap].

§Example

println!("{}", value.wrap());

Source §

fn linger(&self) -> Painted<&T>

Returns self with the quirk() set to [Quirk :: Linger].

§Example

println!("{}", value.linger());

Source §

fn clear(&self) -> Painted<&T>

👎Deprecated since 1.0.1:

renamed to resetting() due to conflicts with Vec::clear(). The clear() method will be removed in a future release.

Returns self with the quirk() set to [Quirk :: Clear].

§Example

println!("{}", value.clear());

Source §

fn resetting(&self) -> Painted<&T>

Returns self with the quirk() set to [Quirk :: Resetting].

§Example

println!("{}", value.resetting());

Source §

fn bright(&self) -> Painted<&T>

Returns self with the quirk() set to [Quirk :: Bright].

§Example

println!("{}", value.bright());

Source §

fn on_bright(&self) -> Painted<&T>

Returns self with the quirk() set to [Quirk :: OnBright].

§Example

println!("{}", value.on_bright());

Source §

fn whenever(&self, value: Condition) -> Painted<&T>

Conditionally enable styling based on whether the Condition value applies. Replaces any previous condition.

See the crate level docs for more details.

§Example

Enable styling painted only when both stdout and stderr are TTYs:

use yansi::{Paint, Condition};

painted.red().on_yellow().whenever(Condition::STDOUTERR_ARE_TTY);

Source §

fn new(self) -> Painted<Self>
where Self: Sized,

Create a new Painted with a default Style. Read more

Source §

fn paint<S>(&self, style: S) -> Painted<&Self>
where S: Into<Style>,

Apply a style wholesale to self. Any previous style is replaced. Read more

Source §

impl<T> PolicyExt for T
where T: ?Sized,

Source §

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more

Source §

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more

Source §

impl<T> ServiceExt for T

Source §

fn map_response_body<F>(self, f: F) -> MapResponseBody<Self, F>
where Self: Sized,

Apply a transformation to the response body. Read more

Source §

fn decompression(self) -> Decompression<Self>
where Self: Sized,

Decompress response bodies. Read more

Source §

fn trace_for_http(self) -> Trace<Self, SharedClassifier<ServerErrorsAsFailures>>
where Self: Sized,

High level tracing that classifies responses using HTTP status codes. Read more

Source §

fn trace_for_grpc(self) -> Trace<Self, SharedClassifier<GrpcErrorsAsFailures>>
where Self: Sized,

High level tracing that classifies responses using gRPC headers. Read more

Source §

fn follow_redirects(self) -> FollowRedirect<Self>
where Self: Sized,

Follow redirect resposes using the Standard policy. Read more

Source §

fn set_request_id<M>( self, header_name: HeaderName, make_request_id: M, ) -> SetRequestId<Self, M>
where Self: Sized, M: MakeRequestId,

Add request id header and extension. Read more

Source §

fn set_x_request_id<M>(self, make_request_id: M) -> SetRequestId<Self, M>
where Self: Sized, M: MakeRequestId,

Add request id header and extension, using x-request-id as the header name. Read more

Source §

fn propagate_request_id( self, header_name: HeaderName, ) -> PropagateRequestId<Self>
where Self: Sized,

Propgate request ids from requests to responses. Read more

Source §

fn propagate_x_request_id(self) -> PropagateRequestId<Self>
where Self: Sized,

Propgate request ids from requests to responses, using x-request-id as the header name. Read more

Source §

fn catch_panic(self) -> CatchPanic<Self, DefaultResponseForPanic>
where Self: Sized,

Catch panics and convert them into 500 Internal Server responses. Read more

Source §

fn request_body_limit(self, limit: usize) -> RequestBodyLimit<Self>
where Self: Sized,

Intercept requests with over-sized payloads and convert them into 413 Payload Too Large responses. Read more

Source §

impl<T> ToOwned for T
where T: Clone,

Source §

type Owned = T

The resulting type after obtaining ownership.

Source §

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

Source §

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

Source §

impl<T, U> TryFrom for T
where U: Into<T>,

Source §

type Error = !

The type returned in the event of a conversion error.

Source §

fn try_from(value: U) -> Result<T, !>

Performs the conversion.

Source §

impl<T, U> TryInto for T
where U: TryFrom<T>,

Source §

type Error = >::Error

The type returned in the event of a conversion error.

Source §

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Source §

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

Source §

fn vzip(self) -> V

Source §

impl<T> WithSecurityContext for T

Source §

fn security_ctx<'a>(&'a self, ctx: &'a SecurityContext) -> Secured<'a, T>
where T: Sized,

Binds a security context to this client, returning a Secured wrapper. Read more

Source §

impl<T> WithSubscriber for T

Source §

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

Source §

fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

ClientWiring

Enum ClientWiring Copy item path

Variants§

Local

Rest

Fields

Grpc

Fields

Trait Implementations§

impl Clone for ClientWiring

fn clone(&self) -> ClientWiring

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

impl Debug for ClientWiring

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

impl Default for ClientWiring

fn default() -> ClientWiring

impl<'de> Deserialize<'de> for ClientWiring

fn deserialize<__D>( __deserializer: __D, ) -> Result<ClientWiring, <__D as Deserializer<'de>>::Error>where __D: Deserializer<'de>,

Auto Trait Implementations§

impl !RefUnwindSafe for ClientWiring

impl !UnwindSafe for ClientWiring

impl Freeze for ClientWiring

impl Send for ClientWiring

impl Sync for ClientWiring

impl Unpin for ClientWiring

impl UnsafeUnpin for ClientWiring

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> CloneToUninit for Twhere T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

impl<T> DeserializeOwned for Twhere T: for<'de> Deserialize<'de>,

impl<T> DynClone for Twhere T: Clone,

fn __clone_box(&self, _: Private) -> *mut ()

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> FromRef<T> for Twhere T: Clone,

fn from_ref(input: &T) -> T

impl<T> FutureExt for T

fn with_context(self, otel_cx: Context) -> WithContext<Self> ⓘ

fn with_current_context(self) -> WithContext<Self> ⓘ

impl<'de, T> GtsDeserialize<'de> for Twhere T: Deserialize<'de>,

fn gts_deserialize<__D>( deserializer: __D, ) -> Result<T, <__D as Deserializer<'de>>::Error>where __D: Deserializer<'de>,

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

fn in_current_span(self) -> Instrumented<Self> ⓘ

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘwhere F: FnOnce(&Self) -> bool,

impl<T> IntoRequest<T> for T

fn into_request(self) -> Request<T>

impl<L> LayerExt<L> for L

fn named_layer<S>(&self, service: S) -> Layered<<L as Layer<S>>::Service, S>where L: Layer<S>,

impl<T> Paint for Twhere T: ?Sized,

fn fg(&self, value: Color) -> Painted<&T>

§Example

fn primary(&self) -> Painted<&T>

§Example

fn fixed(&self, color: u8) -> Painted<&T>

§Example

fn rgb(&self, r: u8, g: u8, b: u8) -> Painted<&T>

§Example

fn black(&self) -> Painted<&T>

§Example

fn red(&self) -> Painted<&T>

§Example

fn green(&self) -> Painted<&T>

§Example

fn yellow(&self) -> Painted<&T>

§Example

fn blue(&self) -> Painted<&T>

§Example

fn magenta(&self) -> Painted<&T>

§Example

Enum ClientWiring

fn deserialize<D>( deserializer: D, ) -> Result<ClientWiring, <D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

impl<T> Any for T
where T: 'static + ?Sized,

impl<T> Borrow<T> for T
where T: ?Sized,

impl<T> BorrowMut<T> for T
where T: ?Sized,

impl<T> CloneToUninit for T
where T: Clone,

impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

impl<T> DynClone for T
where T: Clone,

impl<T> FromRef<T> for T
where T: Clone,

impl<'de, T> GtsDeserialize<'de> for T
where T: Deserialize<'de>,

fn gts_deserialize<D>( deserializer: D, ) -> Result<T, <D as Deserializer<'de>>::Error>
where D: Deserializer<'de>,

impl<T, U> Into<U> for T
where U: From<T>,

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

fn named_layer<S>(&self, service: S) -> Layered<<L as Layer<S>>::Service, S>
where L: Layer<S>,

impl<T> Paint for T
where T: ?Sized,