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use std::fmt;
/// This error indicates
/// that the provided length exceeded the maximum.
///
/// The maximum length allowed and the actual length provided
/// are retrievable from the error object.
#[derive(Clone, PartialEq, Eq, Debug)]
pub struct TooLongError {
max: usize,
len: usize,
}
impl fmt::Display for TooLongError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "length must be <={}, but {}", self.max, self.len)
}
}
impl std::error::Error for TooLongError {}
impl TooLongError {
/// Constructs an error object from the specified parameters.
pub fn new(max: usize, len: usize) -> Self {
Self { max, len }
}
/// Returns the maximum length allowed.
pub fn max(&self) -> usize {
self.max
}
/// Returns the actual length provided.
pub fn actual_len(&self) -> usize {
self.len
}
}
/// This error indicates
/// that the provided length was shorter than the minimum.
///
/// The minimum length allowed and the actual length provided
/// are retrievable from the error object.
#[derive(Clone, PartialEq, Eq, Debug)]
pub struct TooShortError {
min: usize,
len: usize,
}
impl fmt::Display for TooShortError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "length must be >={}, but {}", self.min, self.len)
}
}
impl std::error::Error for TooShortError {}
impl TooShortError {
/// Constructs an error object from the specified parameters.
pub fn new(min: usize, len: usize) -> Self {
Self { min, len }
}
/// Returns the maximum length allowed.
pub fn min(&self) -> usize {
self.min
}
/// Returns the actual length provided.
pub fn actual_len(&self) -> usize {
self.len
}
}