Struct HeaderValue 

pub struct HeaderValue(/* private fields */);

A HeaderValue represents the right hand side of a single name: value pair.

Implementations

impl HeaderValue

pub const fn const_new(value: &'static str) -> HeaderValue

Build a new header value from a &’static str at compile time

pub fn is_valid(&self) -> bool

determine if this header contains no unsafe characters (\r, \n, \0)

since 0.3.12

pub fn as_str(&self) -> Option<&str>

Returns this header value as a &str if it is utf8, None otherwise. If you need to convert non-utf8 bytes to a string somehow, match directly on the HeaderValue as an enum and handle that case. If you need a byte slice regardless of whether it’s utf8, use the AsRef<[u8]> impl

Trait Implementations

impl AsRef<[u8]> for HeaderValue

fn as_ref(&self) -> &[u8]

Converts this type into a shared reference of the (usually inferred) input type.

impl Clone for HeaderValue

fn clone(&self) -> HeaderValue

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for HeaderValue

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

Formats the value using the given formatter.

impl Display for HeaderValue

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

Formats the value using the given formatter.

impl From<&'static [u8]> for HeaderValue

fn from(b: &'static [u8]) -> HeaderValue

Converts to this type from the input type.

impl From<&'static str> for HeaderValue

fn from(s: &'static str) -> HeaderValue

Converts to this type from the input type.

impl From<Arguments<'_>> for HeaderValue

fn from(value: Arguments<'_>) -> HeaderValue

Converts to this type from the input type.

impl From<Cow<'static, str>> for HeaderValue

fn from(c: Cow<'static, str>) -> HeaderValue

Converts to this type from the input type.

impl From<HeaderValue> for HeaderValues

fn from(v: HeaderValue) -> HeaderValues

Converts to this type from the input type.

impl From<String> for HeaderValue

fn from(s: String) -> HeaderValue

Converts to this type from the input type.

impl From<Vec<u8>> for HeaderValue

fn from(v: Vec<u8>) -> HeaderValue

Converts to this type from the input type.

impl From<i32> for HeaderValue

fn from(value: i32) -> HeaderValue

Converts to this type from the input type.

impl From<i64> for HeaderValue

fn from(value: i64) -> HeaderValue

Converts to this type from the input type.

impl From<u16> for HeaderValue

fn from(value: u16) -> HeaderValue

Converts to this type from the input type.

impl From<u32> for HeaderValue

fn from(value: u32) -> HeaderValue

Converts to this type from the input type.

impl From<u64> for HeaderValue

fn from(value: u64) -> HeaderValue

Converts to this type from the input type.

impl From<usize> for HeaderValue

fn from(value: usize) -> HeaderValue

Converts to this type from the input type.

impl Ord for HeaderValue

fn cmp(&self, other: &HeaderValue) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq<&[u8]> for HeaderValue

fn eq(&self, other: &&[u8]) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<&String> for HeaderValue

fn eq(&self, other: &&String) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<&str> for HeaderValue

fn eq(&self, other: &&str) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<[u8]> for &HeaderValue

fn eq(&self, other: &[u8]) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<[u8]> for HeaderValue

fn eq(&self, other: &[u8]) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<HeaderValue> for HeaderValues

fn eq(&self, other: &HeaderValue) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<String> for &HeaderValue

fn eq(&self, other: &String) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<String> for HeaderValue

fn eq(&self, other: &String) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<str> for &HeaderValue

fn eq(&self, other: &str) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq<str> for HeaderValue

fn eq(&self, other: &str) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq for HeaderValue

fn eq(&self, other: &HeaderValue) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for HeaderValue

fn partial_cmp(&self, other: &HeaderValue) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Eq for HeaderValue

impl StructuralPartialEq for HeaderValue