pub struct Extensions { /* fields omitted */ }
Expand description
A type map of request extensions.
Create an empty Extensions
.
Insert a type into this Extensions
.
If a extension of this type already existed, it will
be returned.
Check if container contains entry
Get a reference to a type previously inserted on this Extensions
.
Get a mutable reference to a type previously inserted on this Extensions
.
Remove a type from this Extensions
.
If a extension of this type existed, it will be returned.
Clear the Extensions
of all inserted extensions.
Extends self with the items from another Extensions
.
Formats the value using the given formatter. Read more
Returns the “default value” for a type. Read more
impl<T> Any for T where
T: 'static + ?Sized,
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more
Instruments this type with the provided Span
, returning an
Instrumented
wrapper. Read more
Instruments this type with the current Span
, returning an
Instrumented
wrapper. Read more
Instruments this type with the provided Span
, returning an
Instrumented
wrapper. Read more
Instruments this type with the current Span
, returning an
Instrumented
wrapper. Read more
impl<T, U> Into<U> for T where
U: From<T>,
The type returned in the event of a conversion error.
The type returned in the event of a conversion error.
impl<V, T> VZip<V> for T where
V: MultiLane<T>,