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BIP 32/SLIP 132 y,z...pub/priv types with generics #469

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9d1c2e1
Making serde macros generic
dr-orlovsky Sep 9, 2020
cba43dc
BIP 32/SLIP 132 y,z...pub/priv types with generics
dr-orlovsky Sep 9, 2020
1f7df82
Making DefaultResolver default for ExtendedPub/PrivKey generic parameter
dr-orlovsky Sep 10, 2020
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60 changes: 60 additions & 0 deletions src/internal_macros.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -371,6 +371,66 @@ macro_rules! serde_string_impl {
}
}
};

($name:ident<$($gen:ident: $gent:ident),*>, $expecting:expr) => {
#[cfg(feature = "serde")]
impl<'de, $($gen: $gent),*> $crate::serde::Deserialize<'de> for $name<$($gen),*> {
fn deserialize<D>(deserializer: D) -> Result<$name<$($gen),*>, D::Error>
where
D: $crate::serde::de::Deserializer<'de>,
{
use ::std::fmt::{self, Formatter};
use ::std::str::FromStr;

struct Visitor<$($gen: $gent),*>(::std::marker::PhantomData<$($gen),*>);

impl<$($gen: $gent),*> Visitor<$($gen),*> {
pub fn new() -> Visitor<$($gen),*> { Visitor(::std::marker::PhantomData::default()) }
}

impl<'de, $($gen: $gent),*> $crate::serde::de::Visitor<'de> for Visitor<$($gen),*> {
type Value = $name::<$($gen),*>;

fn expecting(&self, formatter: &mut Formatter) -> fmt::Result {
formatter.write_str($expecting)
}

fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
where
E: $crate::serde::de::Error,
{
$name::from_str(v).map_err(E::custom)
}

fn visit_borrowed_str<E>(self, v: &'de str) -> Result<Self::Value, E>
where
E: $crate::serde::de::Error,
{
self.visit_str(v)
}

fn visit_string<E>(self, v: String) -> Result<Self::Value, E>
where
E: $crate::serde::de::Error,
{
self.visit_str(&v)
}
}

deserializer.deserialize_str(Visitor::<$($gen),*>::new())
}
}

#[cfg(feature = "serde")]
impl<'de, $($gen: $gent),*> $crate::serde::Serialize for $name<$($gen),*> {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: $crate::serde::Serializer,
{
serializer.collect_str(&self)
}
}
};
}

/// A combination of serde_struct_impl and serde_string_impl where string is
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