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Email

Struct Email 

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pub struct Email(/* private fields */);
Available on crate feature net only.
Expand description

An email address.

This type provides type-safe email addresses with RFC 5322 validation. It uses the newtype pattern with #[repr(transparent)] for zero-cost abstraction.

§Invariants

  • Total length is 1-254 characters
  • Local part is 1-64 characters
  • Domain part follows RFC 1035 domain name rules
  • Contains exactly one @ symbol
  • Domain part is stored in lowercase for case-insensitive comparison
  • Local part is case-sensitive (preserved as-is)

§Examples

use bare_types::net::Email;

// Create an email
let email = Email::new("user@example.com")?;

// Access the string representation
assert_eq!(email.as_str(), "user@example.com");

// Get the local part
assert_eq!(email.local_part(), "user");

// Get the domain part
assert_eq!(email.domain_part(), "example.com");

// Parse from string
let email: Email = "user@example.com".parse()?;

Implementations§

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impl Email

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pub fn new(s: &str) -> Result<Self, EmailError>

Creates a new email address from a string.

§Errors

Returns EmailError if the string does not comply with RFC 5322.

§Examples
use bare_types::net::Email;

let email = Email::new("user@example.com")?;
assert_eq!(email.as_str(), "user@example.com");
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pub fn as_str(&self) -> &str

Returns the email address as a string slice.

§Examples
use bare_types::net::Email;

let email = Email::new("user@example.com").unwrap();
assert_eq!(email.as_str(), "user@example.com");
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pub const fn as_inner(&self) -> &String<254>

Returns a reference to the underlying heapless::String.

§Examples
use bare_types::net::Email;

let email = Email::new("user@example.com").unwrap();
let inner: &heapless::String<254> = email.as_inner();
assert_eq!(inner.as_str(), "user@example.com");
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pub fn into_inner(self) -> String<254>

Consumes this email and returns the underlying string.

§Examples
use bare_types::net::Email;

let email = Email::new("user@example.com").unwrap();
let inner = email.into_inner();
assert_eq!(inner.as_str(), "user@example.com");
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pub fn local_part(&self) -> &str

Returns the local part of the email address (before @).

§Examples
use bare_types::net::Email;

let email = Email::new("user@example.com").unwrap();
assert_eq!(email.local_part(), "user");
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pub fn domain_part(&self) -> &str

Returns the domain part of the email address (after @).

§Examples
use bare_types::net::Email;

let email = Email::new("user@example.com").unwrap();
assert_eq!(email.domain_part(), "example.com");

Trait Implementations§

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impl<'a> Arbitrary<'a> for Email

Available on crate feature arbitrary only.
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fn arbitrary(u: &mut Unstructured<'a>) -> Result<Self>

Generate an arbitrary value of Self from the given unstructured data. Read more
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fn arbitrary_take_rest(u: Unstructured<'a>) -> Result<Self, Error>

Generate an arbitrary value of Self from the entirety of the given unstructured data. Read more
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fn size_hint(depth: usize) -> (usize, Option<usize>)

Get a size hint for how many bytes out of an Unstructured this type needs to construct itself. Read more
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fn try_size_hint( depth: usize, ) -> Result<(usize, Option<usize>), MaxRecursionReached>

Get a size hint for how many bytes out of an Unstructured this type needs to construct itself. Read more
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impl Clone for Email

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fn clone(&self) -> Email

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for Email

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for Email

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Display for Email

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

Formats the value using the given formatter. Read more
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impl From<Email> for String<254>

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fn from(email: Email) -> Self

Converts to this type from the input type.
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impl FromStr for Email

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type Err = EmailError

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more
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impl Hash for Email

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for Email

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

This method returns an Ordering between self and other. Read more
1.21.0 · Source§

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

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for Email

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

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

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

This method returns an ordering between self and other values if one exists. Read more
1.0.0 · Source§

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

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

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

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl TryFrom<&str> for Email

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type Error = EmailError

The type returned in the event of a conversion error.
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fn try_from(s: &str) -> Result<Self, Self::Error>

Performs the conversion.
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impl Zeroize for Email

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fn zeroize(&mut self)

Zero out this object from memory using Rust intrinsics which ensure the zeroization operation is not “optimized away” by the compiler.
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impl Eq for Email

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impl StructuralPartialEq for Email

Auto Trait Implementations§

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impl Freeze for Email

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impl RefUnwindSafe for Email

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impl Send for Email

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impl Sync for Email

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impl Unpin for Email

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impl UnwindSafe for Email

Blanket Implementations§

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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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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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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impl<T, U> Into<U> for T
where U: From<T>,

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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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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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> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<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
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,