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use crate::error::DimensionTooLargerError;
pub trait SafeConversion:
TryInto<usize> + TryInto<i32> + TryInto<u32> + TryInto<i64> + TryInto<u64>
{
fn try_usize(self) -> Result<usize, DimensionTooLargerError> {
self.try_into().map_err(|_| DimensionTooLargerError)
}
fn try_i32(self) -> Result<i32, DimensionTooLargerError> {
self.try_into().map_err(|_| DimensionTooLargerError)
}
fn try_u32(self) -> Result<u32, DimensionTooLargerError> {
self.try_into().map_err(|_| DimensionTooLargerError)
}
fn try_i64(self) -> Result<i64, DimensionTooLargerError> {
self.try_into().map_err(|_| DimensionTooLargerError)
}
fn try_u64(self) -> Result<u64, DimensionTooLargerError> {
self.try_into().map_err(|_| DimensionTooLargerError)
}
}
impl SafeConversion for usize {}
impl SafeConversion for u32 {}
impl SafeConversion for i32 {}
impl SafeConversion for u64 {}
pub trait SafeMath: Sized {
fn smul(self, rhs: Self) -> Result<Self, DimensionTooLargerError>;
fn sadd(self, rhs: Self) -> Result<Self, DimensionTooLargerError>;
fn srem(self, rhs: Self) -> Result<Self, DimensionTooLargerError>;
}
impl SafeMath for usize {
fn smul(self, rhs: Self) -> Result<Self, DimensionTooLargerError> {
self.checked_mul(rhs).ok_or(DimensionTooLargerError)
}
fn sadd(self, rhs: Self) -> Result<Self, DimensionTooLargerError> {
self.checked_add(rhs).ok_or(DimensionTooLargerError)
}
fn srem(self, rhs: Self) -> Result<Self, DimensionTooLargerError> {
self.checked_rem(rhs).ok_or(DimensionTooLargerError)
}
}
impl SafeMath for u32 {
fn smul(self, rhs: Self) -> Result<Self, DimensionTooLargerError> {
self.checked_mul(rhs).ok_or(DimensionTooLargerError)
}
fn sadd(self, rhs: Self) -> Result<Self, DimensionTooLargerError> {
self.checked_add(rhs).ok_or(DimensionTooLargerError)
}
fn srem(self, rhs: Self) -> Result<Self, DimensionTooLargerError> {
self.checked_add(rhs).ok_or(DimensionTooLargerError)
}
}
impl SafeMath for u64 {
fn smul(self, rhs: Self) -> Result<Self, DimensionTooLargerError> {
self.checked_mul(rhs).ok_or(DimensionTooLargerError)
}
fn sadd(self, rhs: Self) -> Result<Self, DimensionTooLargerError> {
self.checked_add(rhs).ok_or(DimensionTooLargerError)
}
fn srem(self, rhs: Self) -> Result<Self, DimensionTooLargerError> {
self.checked_add(rhs).ok_or(DimensionTooLargerError)
}
}
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