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#[macro_export]
macro_rules! dont_care {
($ty:path, $expr:expr) => {
impl serde::Serialize for $ty {
fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
().serialize(serializer)
}
}
impl<'de> serde::Deserialize<'de> for $ty {
fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
where
D: serde::Deserializer<'de>,
{
<()>::deserialize(deserializer).map(|_| $expr)
}
}
};
($ty:path) => {
$crate::dont_care!($ty, $ty);
};
}
#[macro_export]
macro_rules! leak {
($ty:ty, $ident:ident) => {
#[derive(Clone, std::fmt::Debug, serde::Deserialize, serde::Serialize)]
struct $ident(<$ty as ToOwned>::Owned);
impl From<&$ty> for $ident {
fn from(ty: &$ty) -> Self {
Self(ty.to_owned())
}
}
impl test_fuzz::Into<&$ty> for $ident {
fn into(self) -> &'static $ty {
Box::leak(Box::new(self.0))
}
}
};
([$ty:ty], $ident:ident) => {
#[derive(Clone, std::fmt::Debug, serde::Deserialize, serde::Serialize)]
struct $ident(<[$ty] as ToOwned>::Owned);
impl From<&[$ty]> for $ident {
fn from(ty: &[$ty]) -> Self {
Self(ty.to_owned())
}
}
impl test_fuzz::Into<&[$ty]> for $ident {
fn into(self) -> &'static [$ty] {
Box::leak(Box::new(self.0))
}
}
};
}
pub fn serialize_ref<S, T>(x: &&T, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
T: serde::Serialize,
{
<T as serde::Serialize>::serialize(*x, serializer)
}
pub fn deserialize_ref<'de, D, T>(deserializer: D) -> Result<&'static T, D::Error>
where
D: serde::Deserializer<'de>,
T: serde::de::DeserializeOwned + std::fmt::Debug,
{
let x = <T as serde::de::Deserialize>::deserialize(deserializer)?;
Ok(Box::leak(Box::new(x)))
}