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pub(crate) trait Encode {
fn encode(&self, e: &mut Vec<u8>);
}
impl<T: Encode + ?Sized> Encode for &'_ T {
fn encode(&self, e: &mut Vec<u8>) {
T::encode(self, e)
}
}
impl<T: Encode> Encode for [T] {
fn encode(&self, e: &mut Vec<u8>) {
self.len().encode(e);
for item in self {
item.encode(e);
}
}
}
impl<T: Encode> Encode for Vec<T> {
fn encode(&self, e: &mut Vec<u8>) {
<[T]>::encode(self, e)
}
}
impl Encode for str {
fn encode(&self, e: &mut Vec<u8>) {
self.len().encode(e);
e.extend_from_slice(self.as_bytes());
}
}
impl Encode for usize {
fn encode(&self, e: &mut Vec<u8>) {
assert!(*self <= u32::max_value() as usize);
(*self as u32).encode(e)
}
}
impl Encode for u8 {
fn encode(&self, e: &mut Vec<u8>) {
e.push(*self);
}
}
impl Encode for u32 {
fn encode(&self, e: &mut Vec<u8>) {
leb128::write::unsigned(e, (*self).into()).unwrap();
}
}
impl Encode for i32 {
fn encode(&self, e: &mut Vec<u8>) {
leb128::write::signed(e, (*self).into()).unwrap();
}
}
impl Encode for u64 {
fn encode(&self, e: &mut Vec<u8>) {
leb128::write::unsigned(e, *self).unwrap();
}
}
impl Encode for i64 {
fn encode(&self, e: &mut Vec<u8>) {
leb128::write::signed(e, *self).unwrap();
}
}
impl<T: Encode, U: Encode> Encode for (T, U) {
fn encode(&self, e: &mut Vec<u8>) {
self.0.encode(e);
self.1.encode(e);
}
}
|
