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use std::error::Error;
use std::fmt;
#[derive(Debug, Eq, PartialEq)]
pub struct ParseDecimalError;
impl fmt::Display for ParseDecimalError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("invalid decimal syntax")
}
}
impl Error for ParseDecimalError {}
#[derive(Debug, Eq, PartialEq)]
pub struct InvalidPrecisionError;
impl fmt::Display for InvalidPrecisionError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("invalid decimal precision")
}
}
impl Error for InvalidPrecisionError {}
#[derive(Debug, Eq, PartialEq)]
pub struct InvalidExponentError;
impl fmt::Display for InvalidExponentError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("invalid decimal exponent")
}
}
impl Error for InvalidExponentError {}
#[derive(Debug, Eq, PartialEq)]
pub struct TryFromDecimalError;
impl fmt::Display for TryFromDecimalError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("decimal cannot be expressed in target primitive type")
}
}
impl Error for TryFromDecimalError {}
#[derive(Debug, Eq, PartialEq)]
pub struct TryIntoDecimalError;
impl fmt::Display for TryIntoDecimalError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("value cannot be precisely expressed as decimal")
}
}
impl Error for TryIntoDecimalError {}
#[derive(Debug, Eq, PartialEq)]
pub struct InvalidCoefficientError;
impl fmt::Display for InvalidCoefficientError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("decimal's coefficient cannot be expressed in target primitive type")
}
}
impl Error for InvalidCoefficientError {}
#[derive(Debug, Eq, PartialEq)]
pub struct FromBcdError;
impl fmt::Display for FromBcdError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("bcd or scale value invalid, either corrupted or out of acceptable range")
}
}
impl Error for FromBcdError {}