[−][src]Trait ed::Decode

pub trait Decode: Sized {
    fn decode<R: Read>(input: R) -> Result<Self>;

    fn decode_into<R: Read>(&mut self, input: R) -> Result<()> { ... }
}

A trait for values that can be decoded from bytes deterministically.

Required methods

`fn decode<R: Read>(input: R) -> Result<Self>`

Reads bytes from the reader and returns the decoded value.

When possible, calling decode_into will often be more efficient since it lets the caller reuse memory to avoid allocating for fields with types such as Vec<T>.

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Provided methods

`fn decode_into<R: Read>(&mut self, input: R) -> Result<()>`

Reads bytes from the reader and mutates self to the decoded value.

This is often more efficient than calling decode when reading fields with heap-allocated types such as Vec<T> since it can reuse the memory already allocated in self.

When possible, implementations should recursively call decode_into on any child fields.

The default implementation of decode_into simply calls decode for ease of implementation, but should be overridden when in-place decoding is possible.

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Implementations on Foreign Types

`impl Decode for u8`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the integer from fixed-size big-endian bytes.

`impl Decode for u16`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the integer from fixed-size big-endian bytes.

`impl Decode for u32`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the integer from fixed-size big-endian bytes.

`impl Decode for u64`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the integer from fixed-size big-endian bytes.

`impl Decode for u128`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the integer from fixed-size big-endian bytes.

`impl Decode for i8`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the integer from fixed-size big-endian bytes.

`impl Decode for i16`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the integer from fixed-size big-endian bytes.

`impl Decode for i32`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the integer from fixed-size big-endian bytes.

`impl Decode for i64`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the integer from fixed-size big-endian bytes.

`impl Decode for i128`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the integer from fixed-size big-endian bytes.

`impl Decode for bool`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the boolean from a single byte: 0 for false or 1 for true. Errors for any other value.

`impl<T: Decode> Decode for Option<T>`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes a 0 byte as None, or a 1 byte followed by the encoding of the inner value as Some. Errors for all other values.

`fn decode_into<R: Read>(&mut self, input: R) -> Result<()>`[src]

Decodes a 0 byte as None, or a 1 byte followed by the encoding of the inner value as Some. Errors for all other values.

`impl Decode for ()`[src]

`fn decode<R: Read>(_: R) -> Result<Self>`[src]

Returns a unit tuple without reading any bytes.

`impl<A: Decode> Decode for (A,)`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the fields of the tuple one after another, in order.

`fn decode_into<R: Read>(&mut self, input: R) -> Result<()>`[src]

Decodes the fields of the tuple one after another, in order.

Recursively calls decode_into for each field.

`impl<A: Decode + Terminated, B: Decode> Decode for (A, B)`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the fields of the tuple one after another, in order.

`fn decode_into<R: Read>(&mut self, input: R) -> Result<()>`[src]

Decodes the fields of the tuple one after another, in order.

Recursively calls decode_into for each field.

`impl<A: Decode + Terminated, B: Decode + Terminated, C: Decode> Decode for (A, B, C)`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the fields of the tuple one after another, in order.

`fn decode_into<R: Read>(&mut self, input: R) -> Result<()>`[src]

Decodes the fields of the tuple one after another, in order.

Recursively calls decode_into for each field.

`impl<A: Decode + Terminated, B: Decode + Terminated, C: Decode + Terminated, D: Decode> Decode for (A, B, C, D)`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the fields of the tuple one after another, in order.

`fn decode_into<R: Read>(&mut self, input: R) -> Result<()>`[src]

Decodes the fields of the tuple one after another, in order.

Recursively calls decode_into for each field.

`impl<A: Decode + Terminated, B: Decode + Terminated, C: Decode + Terminated, D: Decode + Terminated, E: Decode> Decode for (A, B, C, D, E)`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the fields of the tuple one after another, in order.

`fn decode_into<R: Read>(&mut self, input: R) -> Result<()>`[src]

Decodes the fields of the tuple one after another, in order.

Recursively calls decode_into for each field.

`impl<A: Decode + Terminated, B: Decode + Terminated, C: Decode + Terminated, D: Decode + Terminated, E: Decode + Terminated, F: Decode> Decode for (A, B, C, D, E, F)`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the fields of the tuple one after another, in order.

`fn decode_into<R: Read>(&mut self, input: R) -> Result<()>`[src]

Decodes the fields of the tuple one after another, in order.

Recursively calls decode_into for each field.

`impl<A: Decode + Terminated, B: Decode + Terminated, C: Decode + Terminated, D: Decode + Terminated, E: Decode + Terminated, F: Decode + Terminated, G: Decode> Decode for (A, B, C, D, E, F, G)`[src]

`fn decode<R: Read>(input: R) -> Result<Self>`[src]

Decodes the fields of the tuple one after another, in order.

`fn decode_into<R: Read>(&mut self, input: R) -> Result<()>`[src]

Decodes the fields of the tuple one after another, in order.

Recursively calls decode_into for each field.