pub enum Position {
Show 16 variants BeforeScheme, AfterScheme, BeforeUsername, AfterUsername, BeforePassword, AfterPassword, BeforeHost, AfterHost, BeforePort, AfterPort, BeforePath, AfterPath, BeforeQuery, AfterQuery, BeforeFragment, AfterFragment,
}
Expand description

Indicates a position within a URL based on its components.

A range of positions can be used for slicing Url:

let serialization: &str = &some_url[..];
let serialization_without_fragment: &str = &some_url[..Position::AfterQuery];
let authority: &str = &some_url[Position::BeforeUsername..Position::AfterPort];
let data_url_payload: &str = &some_url[Position::BeforePath..Position::AfterQuery];
let scheme_relative: &str = &some_url[Position::BeforeUsername..];

In a pseudo-grammar (where []? makes a sub-sequence optional), URL components and delimiters that separate them are:

url =
    scheme ":"
    [ "//" [ username [ ":" password ]? "@" ]? host [ ":" port ]? ]?
    path [ "?" query ]? [ "#" fragment ]?

When a given component is not present, its “before” and “after” position are the same (so that &some_url[BeforeFoo..AfterFoo] is the empty string) and component ordering is preserved (so that a missing query “is between” a path and a fragment).

The end of a component and the start of the next are either the same or separate by a delimiter. (Note that the initial / of a path is considered part of the path here, not a delimiter.) For example, &url[..BeforeFragment] would include a # delimiter (if present in url), so &url[..AfterQuery] might be desired instead.

BeforeScheme and AfterFragment are always the start and end of the entire URL, so &url[BeforeScheme..X] is the same as &url[..X] and &url[X..AfterFragment] is the same as &url[X..].

Variants§

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BeforeScheme

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AfterScheme

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BeforeUsername

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AfterUsername

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BeforePassword

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AfterPassword

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BeforeHost

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AfterHost

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BeforePort

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AfterPort

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BeforePath

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AfterPath

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BeforeQuery

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AfterQuery

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BeforeFragment

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AfterFragment

Trait Implementations§

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impl Clone for Position

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fn clone(&self) -> Position

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 Debug for Position

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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 Copy for Position

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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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where T: Copy,

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fn as_out(&mut self) -> Out<'_, T>

Returns an out reference to self.
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impl<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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fn implicit( self, class: Class, constructed: bool, tag: u32 ) -> TaggedParser<'a, Implicit, Self, E>

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impl<T> Borrow<T> for T
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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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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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fn instrument(self, span: Span) -> Instrumented<Self>

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Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> Same for T

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type Output = T

Should always be Self
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type Owned = T

The resulting type after obtaining ownership.
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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
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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
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type Error = <U as TryFrom<T>>::Error

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Performs the conversion.
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