[−][src]Trait concordium_contracts_common::Read
The Read
trait provides a means of reading from byte streams.
Required methods
pub fn read(&mut self, buf: &mut [u8]) -> ParseResult<usize>
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Read a number of bytes into the provided buffer. The returned value is
Ok(n)
if a read was successful, and n
bytes were read (n
could be
0).
Provided methods
pub fn read_exact(&mut self, buf: &mut [u8]) -> ParseResult<()>
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Read exactly the required number of bytes. If not enough bytes could be
read the function returns Err(_)
, and the contents of the given buffer
is unspecified.
pub fn read_u64(&mut self) -> ParseResult<u64>
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Read a u64
in little-endian format.
pub fn read_u32(&mut self) -> ParseResult<u32>
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Read a u32
in little-endian format.
pub fn read_u16(&mut self) -> ParseResult<u16>
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Read a u16
in little-endian format.
pub fn read_u8(&mut self) -> ParseResult<u8>
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Read a u8
.
pub fn read_i64(&mut self) -> ParseResult<i64>
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Read a i64
in little-endian format.
pub fn read_i32(&mut self) -> ParseResult<i32>
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Read a i32
in little-endian format.
pub fn read_i16(&mut self) -> ParseResult<i16>
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Read a i16
in little-endian format.
pub fn read_i8(&mut self) -> ParseResult<i8>
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Read a i32
in little-endian format.