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read_message_no_alloc

capnp::serialize

Function read_message_no_alloc 

Source 
pub fn read_message_no_alloc<R>(
    read: R,
    buffer: &mut [u8],
    options: ReaderOptions,
) -> Result<Reader<NoAllocBufferSegments<&[u8]>>>
where
    R: Read,
Expand description

Like read_message(), but does not allocate.

Stores the message in buffer. Returns a BufferNotLargeEnough error if the buffer is not large enough. ALIGNMENT: If the “unaligned” feature is enabled, then there are no alignment requirements on buffer. Otherwise, buffer must be 8-byte aligned (attempts to read the message will trigger errors).