Enum language_tags::ValidationError[−][src]

pub enum ValidationError {
    DuplicateVariant,
    DuplicateExtension,
    MultipleExtendedLanguageSubtags,
    PrimaryLanguageNotInRegistry,
    ExtendedLanguageNotInRegistry,
    ScriptNotInRegistry,
    RegionNotInRegistry,
    VariantNotInRegistry,
    WrongExtendedLanguagePrefix,
    WrongVariantPrefix,
}
Expand description

Errors returned by the LanguageTag validation

Variants

DuplicateVariant

The same variant subtag is only allowed once in a tag.

DuplicateExtension

The same extension subtag is only allowed once in a tag before the private use part.

MultipleExtendedLanguageSubtags

only one extended language subtag is allowed

PrimaryLanguageNotInRegistry

The primary language is not in the IANA Language Subtag Registry

ExtendedLanguageNotInRegistry

The extended language is not in the IANA Language Subtag Registry

ScriptNotInRegistry

The script is not in the IANA Language Subtag Registry

RegionNotInRegistry

The region is not in the IANA Language Subtag Registry

VariantNotInRegistry

A variant is not in the IANA Language Subtag Registry

WrongExtendedLanguagePrefix

The primary language is not the expected extended language prefix from the IANA Language Subtag Registry

WrongVariantPrefix

The language tag has not one of the expected variant prefix from the IANA Language Subtag Registry

Trait Implementations

impl Clone for ValidationError[src]

fn clone(&self) -> ValidationError[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Debug for ValidationError[src]

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

Formats the value using the given formatter. Read more

impl Display for ValidationError[src]

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

Formats the value using the given formatter. Read more

impl Error for ValidationError[src]

fn source(&self) -> Option<&(dyn Error + 'static)>1.30.0[src]

The lower-level source of this error, if any. Read more

fn backtrace(&self) -> Option<&Backtrace>[src]

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred. Read more

fn description(&self) -> &str1.0.0[src]

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

Read more

fn cause(&self) -> Option<&dyn Error>1.0.0[src]

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl PartialEq<ValidationError> for ValidationError[src]

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

This method tests for self and other values to be equal, and is used by ==. Read more

#[must_use]
fn ne(&self, other: &Rhs) -> bool1.0.0[src]

This method tests for !=.

impl Eq for ValidationError[src]

impl StructuralEq for ValidationError[src]

impl StructuralPartialEq for ValidationError[src]

Auto Trait Implementations

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

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

pub fn clone_into(&self, target: &mut T)[src]

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

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

impl<T> ToString for T where
    T: Display + ?Sized, [src]

pub default fn to_string(&self) -> String[src]

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.