Enum ValidationError 

pub enum ValidationError {
    Empty(&'static str),
    TooLong {
        field: &'static str,
        max: usize,
        actual: usize,
    },
    InvalidCharacters {
        field: &'static str,
        reason: String,
    },
    InvalidFormat(&'static str, String),
    ReservedWord {
        field: &'static str,
        word: String,
    },
}

Errors that can occur during input validation.

Variants

Empty(&'static str)

Input is empty when a value is required

TooLong

Input exceeds maximum allowed length

Fields

field: &'static str

max: usize

actual: usize

InvalidCharacters

Input contains invalid characters

Fields

field: &'static str

reason: String

InvalidFormat(&'static str, String)

Input has invalid format

ReservedWord

Input is a reserved word

Fields

field: &'static str

word: String

Trait Implementations

impl Clone for ValidationError

fn clone(&self) -> ValidationError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ValidationError

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

Formats the value using the given formatter.

impl Deserialize<'static> for ValidationError

fn deserialize<__D>( __deserializer: __D, ) -> Result<ValidationError, <__D as Deserializer<'static>>::Error>

where __D: Deserializer<'static>,

Deserialize this value from the given Serde deserializer.

impl Display for ValidationError

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

Formats the value using the given formatter.

impl Error for ValidationError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

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

Provides type-based access to context intended for error reports.

impl Serialize for ValidationError

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

where __S: Serializer,

Serialize this value into the given Serde serializer.