Struct Headers 

pub struct Headers { /* private fields */ }

HTTP Headers with case-insensitive keys as per RFC 7230

Implementations

impl Headers

pub fn new() -> Self

Create a new empty Headers collection

pub fn insert(&mut self, key: impl AsRef<str>, value: impl AsRef<str>)

Insert a header with case-insensitive key

pub fn get(&self, key: impl AsRef<str>) -> Option<&str>

Get a header value with case-insensitive key lookup

pub fn contains_key(&self, key: impl AsRef<str>) -> bool

Check if a header exists (case-insensitive)

pub fn remove(&mut self, key: impl AsRef<str>) -> Option<String>

Remove a header (case-insensitive)

pub fn len(&self) -> usize

Get the number of headers

pub fn is_empty(&self) -> bool

Check if headers collection is empty

pub fn iter(&self) -> impl Iterator<Item = (&str, &str)>

Iterate over headers with preserved case

pub fn content_length(&self) -> Option<usize>

Parse Content-Length header

pub fn from_lines<'a>(lines: impl Iterator<Item = &'a str>) -> Self

Parse headers from HTTP request lines

Trait Implementations

impl Clone for Headers

fn clone(&self) -> Headers

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Headers

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

Formats the value using the given formatter.

impl Default for Headers

fn default() -> Headers

Returns the “default value” for a type.

impl Display for Headers

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

Formats the value using the given formatter.

impl From<HashMap<String, String>> for Headers

fn from(map: HashMap<String, String>) -> Self

Converts to this type from the input type.

impl From<Headers> for HashMap<String, String>

fn from(headers: Headers) -> Self

Converts to this type from the input type.