pub struct HeaderValues(_);
Expand description

Contains all http header values.

This is really similar to http::header::HeaderMap except that is uses IntoHeaderValue for inserting. And it does not allow multiples values for a given key.

Implementations

Creates a new empty HeaderValues.

Insert a new key and value into the header.

If a value to this key is already present that value is dropped.

Panics

If the value is not a valid HeaderValue.

Insert a new key and value into the header. Returning None if the value is not valid.

If a value to this key is already present that value is dropped.

Returns the value if it exists.

Returns the value mutably if it exists.

Returns the value as a string if it exists and is valid.

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

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

The resulting type after obtaining ownership.

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

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

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.