Enum language_tags::Error
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pub enum Error { DuplicateExtension, EmptyExtension, EmptyPrivateUse, ForbiddenChar, InvalidSubtag, InvalidLanguage, SubtagTooLong, TooManyExtlangs, }
Defines an Error type for langtags.
Errors occur mainly during parsing of language tags.
Variants
DuplicateExtension
The same extension subtag is only allowed once in a tag before the private use part.
EmptyExtension
If an extension subtag is present, it must not be empty.
EmptyPrivateUse
If the x
subtag is present, it must not be empty.
ForbiddenChar
The langtag contains a char that is not A-Z, a-z, 0-9 or the dash.
InvalidSubtag
A subtag fails to parse, it does not match any other subtags.
InvalidLanguage
The given language subtag is invalid.
SubtagTooLong
A subtag may be eight characters in length at maximum.
TooManyExtlangs
At maximum three extlangs are allowed, but zero to one extlangs are preferred.
Trait Implementations
impl Debug for Error
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fn fmt(&self, __arg_0: &mut Formatter) -> Result
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Formats the value using the given formatter. Read more
impl Eq for Error
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impl PartialEq for Error
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fn eq(&self, __arg_0: &Error) -> bool
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This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &Rhs) -> bool
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This method tests for !=
.
impl ErrorTrait for Error
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fn description(&self) -> &str
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A short description of the error. Read more
fn cause(&self) -> Option<&Error>
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The lower-level cause of this error, if any. Read more