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#[macro_export]
macro_rules! impl_numeric_casts_transparent {
(
[$($impl_generics:tt)*],
wrapper: $wrapper:ident,
$outer:ty => $cast_outer:ty,
item: $item:ty,
field: $field:ident
$(,)?
) => {
// Cast inherents
impl<$($impl_generics)*> $outer {
/// Returns a new wrapper with the inner field cast to type `U`.
#[inline]
pub fn cast<U>(self) -> $cast_outer
where
$item: $crate::numeric::Cast<U>,
{
$wrapper {
$field: $crate::numeric::Cast::cast(self.$field),
}
}
/// Casts `value` into `Self`.
#[inline]
pub fn cast_from<U>(value: $cast_outer) -> Self
where
U: $crate::numeric::Cast<$item>,
{
value.cast::<$item>()
}
/// Returns a new wrapper with the inner field lossy cast to type `U`.
#[inline]
pub fn lossy_cast<U>(self) -> $cast_outer
where
$item: $crate::numeric::LossyCast<U>,
{
$wrapper {
$field: $crate::numeric::LossyCast::lossy_cast(self.$field),
}
}
/// Lossy casts `value` into `Self`.
#[inline]
pub fn lossy_cast_from<U>(value: $cast_outer) -> Self
where
U: $crate::numeric::LossyCast<$item>,
{
value.lossy_cast::<$item>()
}
/// Returns a new wrapper with the inner field saturating cast to type `U`.
#[inline]
pub fn saturating_cast<U>(self) -> $cast_outer
where
$item: $crate::numeric::SaturatingCast<U>,
{
$wrapper {
$field: $crate::numeric::SaturatingCast::saturating_cast(self.$field),
}
}
/// Saturating casts `value` into `Self`.
#[inline]
pub fn saturating_cast_from<U>(value: $cast_outer) -> Self
where
U: $crate::numeric::SaturatingCast<$item>,
{
value.saturating_cast::<$item>()
}
/// Returns a new wrapper with the inner field try cast to type `U`.
#[inline]
pub fn try_cast<U>(self) -> Result<$cast_outer, $crate::numeric::CastError>
where
$item: $crate::numeric::TryCast<U>,
{
$crate::numeric::TryCast::try_cast(self.$field).map(|$field| $wrapper { $field })
}
/// Try casts `value` into `Self`.
#[inline]
pub fn try_cast_from<U>(
value: $cast_outer,
) -> Result<Self, $crate::numeric::CastError>
where
U: $crate::numeric::TryCast<$item>,
{
value.try_cast::<$item>()
}
/// Returns a new wrapper with the inner field try exact cast to type `U`.
#[inline]
pub fn try_exact_cast<U>(
self,
) -> Result<$cast_outer, $crate::numeric::CastError>
where
$item: $crate::numeric::TryExactCast<U>,
{
$crate::numeric::TryExactCast::try_exact_cast(self.$field)
.map(|$field| $wrapper { $field })
}
/// Try exact casts `value` into `Self`.
#[inline]
pub fn try_exact_cast_from<U>(
value: $cast_outer,
) -> Result<Self, $crate::numeric::CastError>
where
U: $crate::numeric::TryExactCast<$item>,
{
value.try_exact_cast::<$item>()
}
}
// Cast trait
impl<$($impl_generics)*, U> $crate::numeric::Cast<$cast_outer> for $outer
where
$item: $crate::numeric::Cast<U>,
{
#[inline]
fn cast(self) -> $cast_outer {
<$outer>::cast::<U>(self)
}
}
// LossyCast trait
impl<$($impl_generics)*, U> $crate::numeric::LossyCast<$cast_outer> for $outer
where
$item: $crate::numeric::LossyCast<U>,
{
#[inline]
fn lossy_cast(self) -> $cast_outer {
<$outer>::lossy_cast::<U>(self)
}
}
// SaturatingCast trait
impl<$($impl_generics)*, U> $crate::numeric::SaturatingCast<$cast_outer> for $outer
where
$item: $crate::numeric::SaturatingCast<U>,
{
#[inline]
fn saturating_cast(self) -> $cast_outer {
<$outer>::saturating_cast::<U>(self)
}
}
// TryCast trait
impl<$($impl_generics)*, U> $crate::numeric::TryCast<$cast_outer> for $outer
where
$item: $crate::numeric::TryCast<U>,
{
#[inline]
fn try_cast(self) -> Result<$cast_outer, $crate::numeric::CastError> {
<$outer>::try_cast::<U>(self)
}
}
// TryExactCast trait
impl<$($impl_generics)*, U> $crate::numeric::TryExactCast<$cast_outer> for $outer
where
$item: $crate::numeric::TryExactCast<U>,
{
#[inline]
fn try_exact_cast(self) -> Result<$cast_outer, $crate::numeric::CastError> {
<$outer>::try_exact_cast::<U>(self)
}
}
};
($wrapper:ident<$t:ident>) => {
// Cast inherents
impl<$t> $wrapper<$t> {
/// Returns a new value with the inner value cast to type `U`.
#[inline]
pub fn cast<U>(self) -> $wrapper<U>
where
$t: $crate::numeric::Cast<U>,
{
$wrapper($crate::numeric::Cast::cast(self.0))
}
/// Casts `value` into `Self`.
#[inline]
pub fn cast_from<U>(value: $wrapper<U>) -> Self
where
U: $crate::numeric::Cast<$t>,
{
value.cast::<$t>()
}
/// Returns a new value with the inner value lossy cast to type `U`.
#[inline]
pub fn lossy_cast<U>(self) -> $wrapper<U>
where
$t: $crate::numeric::LossyCast<U>,
{
$wrapper($crate::numeric::LossyCast::lossy_cast(self.0))
}
/// Lossy casts `value` into `Self`.
#[inline]
pub fn lossy_cast_from<U>(value: $wrapper<U>) -> Self
where
U: $crate::numeric::LossyCast<$t>,
{
value.lossy_cast::<$t>()
}
/// Returns a new value with the inner value saturating cast to type `U`.
#[inline]
pub fn saturating_cast<U>(self) -> $wrapper<U>
where
$t: $crate::numeric::SaturatingCast<U>,
{
$wrapper($crate::numeric::SaturatingCast::saturating_cast(self.0))
}
/// Saturating casts `value` into `Self`.
#[inline]
pub fn saturating_cast_from<U>(value: $wrapper<U>) -> Self
where
U: $crate::numeric::SaturatingCast<$t>,
{
value.saturating_cast::<$t>()
}
/// Returns a new value with the inner value try cast to type `U`.
#[inline]
pub fn try_cast<U>(self) -> Result<$wrapper<U>, $crate::numeric::CastError>
where
$t: $crate::numeric::TryCast<U>,
{
$crate::numeric::TryCast::try_cast(self.0).map($wrapper)
}
/// Try casts `value` into `Self`.
#[inline]
pub fn try_cast_from<U>(value: $wrapper<U>) -> Result<Self, $crate::numeric::CastError>
where
U: $crate::numeric::TryCast<$t>,
{
value.try_cast::<$t>()
}
/// Returns a new value with the inner value try exact cast to type `U`.
#[inline]
pub fn try_exact_cast<U>(self) -> Result<$wrapper<U>, $crate::numeric::CastError>
where
$t: $crate::numeric::TryExactCast<U>,
{
$crate::numeric::TryExactCast::try_exact_cast(self.0).map($wrapper)
}
/// Try exact casts `value` into `Self`.
#[inline]
pub fn try_exact_cast_from<U>(
value: $wrapper<U>,
) -> Result<Self, $crate::numeric::CastError>
where
U: $crate::numeric::TryExactCast<$t>,
{
value.try_exact_cast::<$t>()
}
}
// Cast trait
impl<$t, U> $crate::numeric::Cast<$wrapper<U>> for $wrapper<$t>
where
$t: $crate::numeric::Cast<U>,
{
#[inline]
fn cast(self) -> $wrapper<U> {
$wrapper::cast(self)
}
}
// LossyCast trait
impl<$t, U> $crate::numeric::LossyCast<$wrapper<U>> for $wrapper<$t>
where
$t: $crate::numeric::LossyCast<U>,
{
#[inline]
fn lossy_cast(self) -> $wrapper<U> {
$wrapper::lossy_cast(self)
}
}
// SaturatingCast trait
impl<$t, U> $crate::numeric::SaturatingCast<$wrapper<U>> for $wrapper<$t>
where
$t: $crate::numeric::SaturatingCast<U>,
{
#[inline]
fn saturating_cast(self) -> $wrapper<U> {
$wrapper::saturating_cast(self)
}
}
// TryCast trait
impl<$t, U> $crate::numeric::TryCast<$wrapper<U>> for $wrapper<$t>
where
$t: $crate::numeric::TryCast<U>,
{
#[inline]
fn try_cast(self) -> Result<$wrapper<U>, $crate::numeric::CastError> {
$wrapper::try_cast(self)
}
}
// TryExactCast trait
impl<$t, U> $crate::numeric::TryExactCast<$wrapper<U>> for $wrapper<$t>
where
$t: $crate::numeric::TryExactCast<U>,
{
#[inline]
fn try_exact_cast(self) -> Result<$wrapper<U>, $crate::numeric::CastError> {
$wrapper::try_exact_cast(self)
}
}
};
}
#[macro_export]
macro_rules! impl_numeric_casts_named_fields {
($wrapper:ident<$t:ident>, [$($field:ident),+ $(,)?]) => {
// Cast inherents
impl<$t> $wrapper<$t> {
/// Returns a new value with the fields cast to type `U`.
#[inline]
pub fn cast<U>(self) -> $wrapper<U>
where
$t: $crate::numeric::Cast<U>,
{
$wrapper {
$($field: $crate::numeric::Cast::cast(self.$field)),+
}
}
/// Casts `value` into `Self`.
#[inline]
pub fn cast_from<U>(value: $wrapper<U>) -> Self
where
U: $crate::numeric::Cast<$t>,
{
value.cast::<$t>()
}
/// Returns a new value with the fields lossy cast to type `U`.
#[inline]
pub fn lossy_cast<U>(self) -> $wrapper<U>
where
$t: $crate::numeric::LossyCast<U>,
{
$wrapper {
$($field: $crate::numeric::LossyCast::lossy_cast(self.$field)),+
}
}
/// Lossy casts `value` into `Self`.
#[inline]
pub fn lossy_cast_from<U>(value: $wrapper<U>) -> Self
where
U: $crate::numeric::LossyCast<$t>,
{
value.lossy_cast::<$t>()
}
/// Returns a new value with the fields saturating cast to type `U`.
#[inline]
pub fn saturating_cast<U>(self) -> $wrapper<U>
where
$t: $crate::numeric::SaturatingCast<U>,
{
$wrapper {
$($field: $crate::numeric::SaturatingCast::saturating_cast(self.$field)),+
}
}
/// Saturating casts `value` into `Self`.
#[inline]
pub fn saturating_cast_from<U>(value: $wrapper<U>) -> Self
where
U: $crate::numeric::SaturatingCast<$t>,
{
value.saturating_cast::<$t>()
}
/// Returns a new value with the fields try cast to type `U`.
#[inline]
pub fn try_cast<U>(self) -> Result<$wrapper<U>, $crate::numeric::CastError>
where
$t: $crate::numeric::TryCast<U>,
{
Ok($wrapper {
$($field: $crate::numeric::TryCast::try_cast(self.$field)?),+
})
}
/// Try casts `value` into `Self`.
#[inline]
pub fn try_cast_from<U>(value: $wrapper<U>) -> Result<Self, $crate::numeric::CastError>
where
U: $crate::numeric::TryCast<$t>,
{
value.try_cast::<$t>()
}
/// Returns a new value with the fields try exact cast to type `U`.
#[inline]
pub fn try_exact_cast<U>(self) -> Result<$wrapper<U>, $crate::numeric::CastError>
where
$t: $crate::numeric::TryExactCast<U>,
{
Ok($wrapper {
$($field: $crate::numeric::TryExactCast::try_exact_cast(self.$field)?),+
})
}
/// Try exact casts `value` into `Self`.
#[inline]
pub fn try_exact_cast_from<U>(
value: $wrapper<U>,
) -> Result<Self, $crate::numeric::CastError>
where
U: $crate::numeric::TryExactCast<$t>,
{
value.try_exact_cast::<$t>()
}
}
// Cast trait
impl<$t, U> $crate::numeric::Cast<$wrapper<U>> for $wrapper<$t>
where
$t: $crate::numeric::Cast<U>,
{
#[inline]
fn cast(self) -> $wrapper<U> {
$wrapper::cast(self)
}
}
// LossyCast trait
impl<$t, U> $crate::numeric::LossyCast<$wrapper<U>> for $wrapper<$t>
where
$t: $crate::numeric::LossyCast<U>,
{
#[inline]
fn lossy_cast(self) -> $wrapper<U> {
$wrapper::lossy_cast(self)
}
}
// SaturatingCast trait
impl<$t, U> $crate::numeric::SaturatingCast<$wrapper<U>> for $wrapper<$t>
where
$t: $crate::numeric::SaturatingCast<U>,
{
#[inline]
fn saturating_cast(self) -> $wrapper<U> {
$wrapper::saturating_cast(self)
}
}
// TryCast trait
impl<$t, U> $crate::numeric::TryCast<$wrapper<U>> for $wrapper<$t>
where
$t: $crate::numeric::TryCast<U>,
{
#[inline]
fn try_cast(self) -> Result<$wrapper<U>, $crate::numeric::CastError> {
$wrapper::try_cast(self)
}
}
// TryExactCast trait
impl<$t, U> $crate::numeric::TryExactCast<$wrapper<U>> for $wrapper<$t>
where
$t: $crate::numeric::TryExactCast<U>,
{
#[inline]
fn try_exact_cast(self) -> Result<$wrapper<U>, $crate::numeric::CastError> {
$wrapper::try_exact_cast(self)
}
}
};
}