Struct dangerous::error::ExpectedLength

pub struct ExpectedLength<'i> { /* fields omitted */ }

An error representing a failed requirement for a length of Input.

Implementations

impl<'i> ExpectedLength<'i>

pub fn input(&self) -> &'i Input

The Input provided in the context when the error occurred.

pub fn context(&self) -> ExpectedContext

The ExpectedContext around the error.

pub fn span(&self) -> &'i Input

The specific part of the Input that did not meet the requirement.

pub fn min(&self) -> usize

The minimum length that was expected in a context.

This doesn't not take into account the section of input being processed when this error occurred. If you wish to work out the requirement to continue processing input use ToRetryRequirement::to_retry_requirement().

pub fn max(&self) -> Option<usize>

The maximum length that was expected in a context, if applicable.

If max has a value, this signifies the Input exceeded it in some way. An example of this would be Input::read_all(), where there was Input left over.

pub fn is_exact(&self) -> bool

Returns true if an exact length was expected in a context.

pub fn exact(&self) -> Option<usize>

The exact length that was expected in a context, if applicable.

Will return a value if is_exact() returns true.

Trait Implementations

impl<'i> Clone for ExpectedLength<'i>

fn clone(&self) -> ExpectedLength<'i>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'i> Debug for ExpectedLength<'i>

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

Formats the value using the given formatter.

impl<'i> Display for ExpectedLength<'i>

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

Formats the value using the given formatter.

impl<'i, S> From<ExpectedLength<'i>> for Expected<'i, S> where
    S: ContextStackBuilder, 

fn from(err: ExpectedLength<'i>) -> Self

Performs the conversion.

impl<'i> From<ExpectedLength<'i>> for Invalid

fn from(err: ExpectedLength<'i>) -> Self

Performs the conversion.

impl<'i> ToRetryRequirement for ExpectedLength<'i>

fn to_retry_requirement(&self) -> Option<RetryRequirement>

Returns the requirement, if applicable, to retry processing the Input.

fn is_fatal(&self) -> bool

Returns true if max() has a value.