variable_len_reader/asynchronous/
read_float_varint.rs

1macro_rules! read_float_varint_future {
2    ($primitive: ty, $future: ident, $inner_future: ident) => {
3        read_float_varint_future!(f cfg(feature = "async_float_varint"), $primitive, $future, $inner_future);
4    };
5    (f $feature: meta, $primitive: ty, $future: ident, $inner_future: ident) => {
6        read_wrap_future!(f $feature, $future, $inner_future);
7        #[$feature]
8        impl<'a, R: AsyncVariableReader + Unpin + ?Sized> Future for $future<'a, R> {
9            type Output = ::core::result::Result<$primitive, R::Error>;
10
11            fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
12                self.project().inner.poll(cx).map_ok(|v| <$primitive>::from_bits(v))
13            }
14        }
15    };
16}
17macro_rules! read_float_varint_func {
18    ($future: ident, $func: ident, $inner_func: ident) => {
19        read_float_varint_func!(f cfg(feature = "async_float_varint"), $future, $func, $inner_func);
20    };
21    (f $feature: meta, $future: ident, $func: ident, $inner_func: ident) => {
22        read_wrap_func!(f $feature, $future, $func, $inner_func);
23    };
24}
25
26macro_rules! define_read_float_varint_future {
27    () => {
28        read_float_varint_future!(f32, ReadF32Varint, ReadU32Varint);
29        read_float_varint_future!(f64, ReadF64Varint, ReadU64Varint);
30    };
31}
32macro_rules! define_read_float_varint_func {
33    () => {
34        read_float_varint_func!(ReadF32Varint, read_f32_varint, read_u32_varint);
35        read_float_varint_func!(ReadF64Varint, read_f64_varint, read_u64_varint);
36    };
37}
38
39define_read_float_varint_future!();
40
41#[cfg(all(feature = "async_float_varint", not(feature = "async_varint")))]
42compile_error!("developer error: please check Cargo.toml");