pub struct ClientHints<S>
where S: Default + AsRef<str>,
{ pub sec_ch_ua_platform: Option<S>, pub sec_ch_ua_platform_version: Option<S>, pub sec_ch_ua: Option<S>, pub sec_ch_ua_model: Option<S>, }
Expand description

The client hint variable names mirror the name of the “SEC-CH” headers.

See https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers#user_agent_client_hints

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§sec_ch_ua_platform: Option<S>

The client’s OS, e.g. macos, android…

§sec_ch_ua_platform_version: Option<S>

The version number of the client’s OS.

§sec_ch_ua: Option<S>

Name of the client’s web browser and its version.

§sec_ch_ua_model: Option<S>

Device model, e.g. samsung galaxy 3.

Implementations§

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impl<S> ClientHints<S>
where S: AsRef<str> + Default,

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pub fn copy_from(&mut self, other: ClientHints<S>)

Checks every field of a passed-in ClientHints instance if it contains a value, and if it does, copy it to self.

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pub fn is_empty(&self) -> bool

Checks if every field is of value None.

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impl ClientHints<String>

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pub const SEC_CH_UA_PLATFORM: &'static str = "SEC-CH-UA-Platform"

Provides the platform or operating system on which the user agent is running.

For example: "Windows" or "Android".

Sec-CH-UA-Platform is a low entropy hint. Unless blocked by a user agent permission policy, it is sent by default (without the server opting in by sending Accept-CH).

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pub const SEC_CH_UA_PLATFORM_VERSION: &'static str = "SEC-CH-UA-Platform-Version"

Provides the version of the operating system on which the user agent is running.

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pub const SEC_CH_UA: &'static str = "SEC-CH-UA"

Provides the user agent’s branding and significant version information.

A brand is a commercial name for the user agent like: Chromium, Opera, Google Chrome, Microsoft Edge, Firefox, and Safari. A user agent might have several associated brands. For example, Opera, Chrome, and Edge are all based on Chromium, and will provide both brands in the Sec-CH-UA header.

The significant version is the “marketing” version identifier that is used to distinguish between major releases of the brand. For example a Chromium build with full version number “96.0.4664.45” has a significant version number of “96”.

The header may include “fake” brands in any position and with any name. This is a feature designed to prevent servers from rejecting unknown user agents outright, forcing user agents to lie about their brand identity.

Sec-CH-UA is a low entropy hint. Unless blocked by a user agent permission policy, it is sent by default (without the server opting in by sending Accept-CH).

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pub const SEC_CH_UA_MODEL: &'static str = "SEC-CH-UA-Model"

Indicates the device model on which the browser is running.

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pub fn as_deref(&self) -> ClientHints<&str>

Returns an instance of ClientHints that borrows from the original data.

Trait Implementations§

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impl<S> Clone for ClientHints<S>
where S: Default + AsRef<str> + Clone,

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fn clone(&self) -> ClientHints<S>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<S> Debug for ClientHints<S>
where S: Default + AsRef<str> + Debug,

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

Formats the value using the given formatter. Read more
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impl<S> Default for ClientHints<S>
where S: Default + AsRef<str> + Default,

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fn default() -> ClientHints<S>

Returns the “default value” for a type. Read more
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impl<'de, S> Deserialize<'de> for ClientHints<S>
where S: Default + AsRef<str> + Deserialize<'de>,

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

Deserialize this value from the given Serde deserializer. Read more
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impl<S> PartialEq for ClientHints<S>
where S: Default + AsRef<str> + PartialEq,

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fn eq(&self, other: &ClientHints<S>) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<S> Serialize for ClientHints<S>
where S: Default + AsRef<str> + Serialize,

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl<S> StructuralPartialEq for ClientHints<S>
where S: Default + AsRef<str>,

Auto Trait Implementations§

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impl<S> Freeze for ClientHints<S>
where S: Freeze,

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impl<S> RefUnwindSafe for ClientHints<S>
where S: RefUnwindSafe,

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impl<S> Send for ClientHints<S>
where S: Send,

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impl<S> Sync for ClientHints<S>
where S: Sync,

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impl<S> Unpin for ClientHints<S>
where S: Unpin,

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impl<S> UnwindSafe for ClientHints<S>
where S: UnwindSafe,

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> DynClone for T
where T: Clone,

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

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> Serialize for T
where T: Serialize + ?Sized,

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fn erased_serialize(&self, serializer: &mut dyn Serializer) -> Result<Ok, Error>

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

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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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
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,