Struct rocket::http::uri::Origin

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pub struct Origin<'a> { /* private fields */ }
Expand description

A URI with an absolute path and optional query: /path?query.

Origin URIs are the primary type of URI encountered in Rocket applications. They are also the simplest type of URIs, made up of only a path and an optional query.

Structure

The following diagram illustrates the syntactic structure of an origin URI:

/first_segment/second_segment/third?optional=query
|---------------------------------| |------------|
                path                    query

The URI must begin with a /, can be followed by any number of segments, and an optional ? query separator and query string.

Normalization

Rocket prefers, and will sometimes require, origin URIs to be normalized. A normalized origin URI is a valid origin URI that contains no empty segments except optionally a trailing slash.

As an example, the following URIs are all valid, normalized URIs:

"/",
"/?",
"/a/b/",
"/a/b/c",
"/a/b/c/",
"/a/b/c?",
"/a/b/c?q",
"/hello?lang=en",
"/hello/?lang=en",
"/some%20thing?q=foo&lang=fr",

By contrast, the following are valid but non-normal URIs:

"//",               // an empty segment
"/a/ab//c//d",      // two empty segments
"/?a&&b",           // empty query segment
"/?foo&",           // trailing empty query segment

The Origin::into_normalized() method can be used to normalize any Origin:

// non-normal versions
"//", "/a/b//c", "/a/ab//c//d/", "/a?a&&b&",

// normalized versions
"/",  "/a/b/c",  "/a/ab/c/d/", "/a?a&b",

(De)serialization

Origin is both Serialize and Deserialize:

use serde::{Serialize, Deserialize};
use rocket::http::uri::Origin;

#[derive(Deserialize, Serialize)]
struct UriOwned {
    uri: Origin<'static>,
}

#[derive(Deserialize, Serialize)]
struct UriBorrowed<'a> {
    uri: Origin<'a>,
}

Implementations§

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impl<'a> Origin<'a>

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pub fn parse(string: &'a str) -> Result<Origin<'a>, Error<'a>>

Parses the string string into an Origin. Parsing will never allocate. Returns an Error if string is not a valid origin URI.

Example
use rocket::http::uri::Origin;

// Parse a valid origin URI.
let uri = Origin::parse("/a/b/c?query").expect("valid URI");
assert_eq!(uri.path(), "/a/b/c");
assert_eq!(uri.query().unwrap(), "query");

// Invalid URIs fail to parse.
Origin::parse("foo bar").expect_err("invalid URI");

// Prefer to use `uri!()` when the input is statically known:
let uri = uri!("/a/b/c?query");
assert_eq!(uri.path(), "/a/b/c");
assert_eq!(uri.query().unwrap(), "query");
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pub fn parse_owned(string: String) -> Result<Origin<'static>, Error<'static>>

Parses the string string into an Origin. Never allocates on success. May allocate on error.

This method should be used instead of Origin::parse() when the source URI is already a String. Returns an Error if string is not a valid origin URI.

Example
use rocket::http::uri::Origin;

let source = format!("/foo/{}/three", 2);
let uri = Origin::parse_owned(source).expect("valid URI");
assert_eq!(uri.path(), "/foo/2/three");
assert!(uri.query().is_none());
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pub fn path(&self) -> Path<'_>

Returns the path part of this URI.

Example
let uri = uri!("/a/b/c");
assert_eq!(uri.path(), "/a/b/c");

let uri = uri!("/a/b/c?name=bob");
assert_eq!(uri.path(), "/a/b/c");
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pub fn query(&self) -> Option<Query<'_>>

Returns the query part of this URI without the question mark, if there is any.

Example
let uri = uri!("/a/b/c?alphabet=true");
assert_eq!(uri.query().unwrap(), "alphabet=true");

let uri = uri!("/a/b/c");
assert!(uri.query().is_none());
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pub fn map_path<'s, F, P>(&'s self, f: F) -> Option<Origin<'a>>where F: FnOnce(&'s RawStr) -> P, P: Into<RawStrBuf> + 's,

Applies the function f to the internal path and returns a new Origin with the new path. If the path returned from f is invalid, returns None. Otherwise, returns Some, even if the new path is abnormal.

Examples

Affix a trailing slash if one isn’t present.

let uri = uri!("/a/b/c");
let expected_uri = uri!("/a/b/c/d");
assert_eq!(uri.map_path(|p| format!("{}/d", p)), Some(expected_uri));

let uri = uri!("/a/b/c");
let abnormal_map = uri.map_path(|p| format!("{}///d", p));
assert_eq!(abnormal_map.unwrap(), "/a/b/c///d");

let uri = uri!("/a/b/c");
let expected = uri!("/b/c");
let mapped = uri.map_path(|p| p.strip_prefix("/a").unwrap_or(p));
assert_eq!(mapped, Some(expected));

let uri = uri!("/a");
assert_eq!(uri.map_path(|p| p.strip_prefix("/a").unwrap_or(p)), None);

let uri = uri!("/a/b/c");
assert_eq!(uri.map_path(|p| format!("hi/{}", p)), None);
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pub fn clear_query(&mut self)

Removes the query part of this URI, if there is any.

Example
let mut uri = uri!("/a/b/c?query=some");
assert_eq!(uri.query().unwrap(), "query=some");

uri.clear_query();
assert!(uri.query().is_none());
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pub fn is_normalized(&self) -> bool

Returns true if self is normalized. Otherwise, returns false.

See Normalization for more information on what it means for an origin URI to be normalized. Note that uri!() always normalizes static input.

Example
use rocket::http::uri::Origin;

assert!(Origin::parse("/").unwrap().is_normalized());
assert!(Origin::parse("/a/b/c").unwrap().is_normalized());
assert!(Origin::parse("/a/b/c?a=b&c").unwrap().is_normalized());

assert!(!Origin::parse("/a/b/c//d").unwrap().is_normalized());
assert!(!Origin::parse("/a?q&&b").unwrap().is_normalized());

assert!(uri!("/a/b/c//d").is_normalized());
assert!(uri!("/a?q&&b").is_normalized());
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pub fn normalize(&mut self)

Normalizes self. This is a no-op if self is already normalized.

See Normalization for more information on what it means for an origin URI to be normalized.

Example
use rocket::http::uri::Origin;

let mut abnormal = Origin::parse("/a/b/c//d").unwrap();
assert!(!abnormal.is_normalized());
abnormal.normalize();
assert!(abnormal.is_normalized());
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pub fn into_normalized(self) -> Origin<'a>

Consumes self and returns a normalized version.

This is a no-op if self is already normalized. See Normalization for more information on what it means for an origin URI to be normalized.

Example
use rocket::http::uri::Origin;

let abnormal = Origin::parse("/a/b/c//d").unwrap();
assert!(!abnormal.is_normalized());
assert!(abnormal.into_normalized().is_normalized());
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pub fn has_trailing_slash(&self) -> bool

Returns true if self has a trailing slash.

This is defined as path.len() > 1 && path.ends_with('/'). This implies that the URI / is not considered to have a trailing slash.

Example

assert!(!uri!("/").has_trailing_slash());
assert!(!uri!("/a").has_trailing_slash());
assert!(!uri!("/foo/bar/baz").has_trailing_slash());

assert!(uri!("/a/").has_trailing_slash());
assert!(uri!("/foo/").has_trailing_slash());
assert!(uri!("/foo/bar/baz/").has_trailing_slash());
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pub fn is_normalized_nontrailing(&self) -> bool

Returns true if self is normalized (Origin::is_normalized()) and does not have a trailing slash (Origin::has_trailing_slash()). Otherwise returns false.

Example
use rocket::http::uri::Origin;

let origin = Origin::parse("/").unwrap();
assert!(origin.is_normalized_nontrailing());

let origin = Origin::parse("/foo/bar").unwrap();
assert!(origin.is_normalized_nontrailing());

let origin = Origin::parse("//").unwrap();
assert!(!origin.is_normalized_nontrailing());

let origin = Origin::parse("/foo/bar//baz/").unwrap();
assert!(!origin.is_normalized_nontrailing());

let origin = Origin::parse("/foo/bar/").unwrap();
assert!(!origin.is_normalized_nontrailing());
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pub fn into_normalized_nontrailing(self) -> Origin<'a>

Converts self into a normalized origin path without a trailing slash. Does nothing is self is already normalized_nontrailing.

Example
use rocket::http::uri::Origin;

let origin = Origin::parse("/").unwrap();
assert!(origin.is_normalized_nontrailing());

let normalized = origin.into_normalized_nontrailing();
assert_eq!(normalized, uri!("/"));

let origin = Origin::parse("//").unwrap();
assert!(!origin.is_normalized_nontrailing());

let normalized = origin.into_normalized_nontrailing();
assert_eq!(normalized, uri!("/"));

let origin = Origin::parse_owned("/foo/bar//baz/".into()).unwrap();
assert!(!origin.is_normalized_nontrailing());

let normalized = origin.into_normalized_nontrailing();
assert_eq!(normalized, uri!("/foo/bar/baz"));

let origin = Origin::parse("/foo/bar/").unwrap();
assert!(!origin.is_normalized_nontrailing());

let normalized = origin.into_normalized_nontrailing();
assert_eq!(normalized, uri!("/foo/bar"));

Trait Implementations§

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impl<'a> Clone for Origin<'a>

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fn clone(&self) -> Origin<'a>

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<'a> Debug for Origin<'a>

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

Formats the value using the given formatter. Read more
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impl<'a, 'de> Deserialize<'de> for Origin<'a>

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

Deserialize this value from the given Serde deserializer. Read more
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impl Display for Origin<'_>

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

Formats the value using the given formatter. Read more
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impl<'a> From<Origin<'a>> for Reference<'a>

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fn from(origin: Origin<'a>) -> Reference<'a>

Converts to this type from the input type.
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impl<'a> From<Origin<'a>> for Uri<'a>

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fn from(other: Origin<'a>) -> Uri<'a>

Converts to this type from the input type.
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impl<'r> FromRequest<'r> for &'r Origin<'r>

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type Error = Infallible

The associated error to be returned if derivation fails.
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fn from_request<'life0, 'async_trait>( request: &'r Request<'life0> ) -> Pin<Box<dyn Future<Output = Outcome<Self, Self::Error>> + Send + 'async_trait>>where Self: 'async_trait, 'r: 'async_trait, 'life0: 'async_trait,

Derives an instance of Self from the incoming request metadata. Read more
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impl Hash for Origin<'_>

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

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl IntoOwned for Origin<'_>

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type Owned = Origin<'static>

The owned version of the type.
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fn into_owned(self) -> Origin<'static>

Converts self into an owned version of itself.
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impl PartialEq<&str> for Origin<'_>

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fn eq(&self, other: &&str) -> 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 PartialEq<Origin<'_>> for str

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fn eq(&self, other: &Origin<'_>) -> 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<'b, 'a> PartialEq<Origin<'a>> for Uri<'b>

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fn eq(&self, other: &Origin<'a>) -> 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<'a, 'b> PartialEq<Origin<'b>> for Origin<'a>

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fn eq(&self, other: &Origin<'b>) -> 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<'a, 'b> PartialEq<Origin<'b>> for RouteUri<'a>

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fn eq(&self, other: &Origin<'b>) -> 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<'b, 'a> PartialEq<Uri<'b>> for Origin<'a>

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fn eq(&self, other: &Uri<'b>) -> 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 PartialEq<str> for Origin<'_>

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fn eq(&self, string: &str) -> 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<'a> Serialize for Origin<'a>

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fn serialize<S>( &self, serializer: S ) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl<'a> TryFrom<&'a String> for Origin<'a>

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type Error = Error<'a>

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

Performs the conversion.
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impl<'a> TryFrom<&'a str> for Origin<'a>

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type Error = Error<'a>

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

Performs the conversion.
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impl TryFrom<String> for Origin<'static>

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type Error = Error<'static>

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

Performs the conversion.
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impl<'a> TryFrom<Uri<'a>> for Origin<'a>

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type Error = TryFromUriError

The type returned in the event of a conversion error.
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fn try_from( uri: Uri<'a> ) -> Result<Origin<'a>, <Origin<'a> as TryFrom<Uri<'a>>>::Error>

Performs the conversion.
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impl Eq for Origin<'_>

Auto Trait Implementations§

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impl<'a> !RefUnwindSafe for Origin<'a>

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impl<'a> Send for Origin<'a>

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impl<'a> Sync for Origin<'a>

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impl<'a> Unpin for Origin<'a>

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impl<'a> UnwindSafe for Origin<'a>

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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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Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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Calls U::from(self).

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

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fn into_collection<A>(self) -> SmallVec<A>where A: Array<Item = T>,

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

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painted.attr(Attribute::Bold);

Make text bold using using bold().

use yansi::Paint;

painted.bold();
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fn bold(&self) -> Painted<&T>

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

Example
println!("{}", value.bold());
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fn dim(&self) -> Painted<&T>

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

Example
println!("{}", value.dim());
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fn italic(&self) -> Painted<&T>

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

Example
println!("{}", value.italic());
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fn underline(&self) -> Painted<&T>

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

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

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

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

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

Example
println!("{}", value.rapid_blink());
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fn invert(&self) -> Painted<&T>

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

Example
println!("{}", value.invert());
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fn conceal(&self) -> Painted<&T>

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

Example
println!("{}", value.conceal());
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fn strike(&self) -> Painted<&T>

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

Example
println!("{}", value.strike());
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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();
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fn mask(&self) -> Painted<&T>

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

Example
println!("{}", value.mask());
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fn wrap(&self) -> Painted<&T>

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

Example
println!("{}", value.wrap());
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fn linger(&self) -> Painted<&T>

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

Example
println!("{}", value.linger());
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fn clear(&self) -> Painted<&T>

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

Example
println!("{}", value.clear());
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fn bright(&self) -> Painted<&T>

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

Example
println!("{}", value.bright());
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fn on_bright(&self) -> Painted<&T>

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

Example
println!("{}", value.on_bright());
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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);
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fn new(self) -> Painted<Self>where Self: Sized,

Create a new Painted with a default Style. Read more
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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
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impl<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere 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> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere 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 Twhere 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 Twhere 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 Twhere T: for<'de> Deserialize<'de>,