tiny-varint 0.2.0

A no_std compatible VarInt encoding/decoding Rust library
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36

/// Error type for varint encoding/decoding operations
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Error {
    /// Output buffer is too small to hold the encoded data
    BufferTooSmall {
        /// Number of bytes needed
        needed: usize,
        /// Actual buffer size
        actual: usize,
    },
    /// Overflow error encountered during decoding
    Overflow,
    /// Input data is insufficient during decoding
    InputTooShort,
    /// Invalid varint encoding encountered during decoding
    InvalidEncoding,
}

// Helper methods for the Error error type
impl Error {
    /// Get the required buffer size
    pub fn needed(&self) -> Option<usize> {
        match self {
            Error::BufferTooSmall { needed, .. } => Some(*needed),
            _ => None,
        }
    }
    
    /// Get the actual buffer size
    pub fn actual(&self) -> Option<usize> {
        match self {
            Error::BufferTooSmall { actual, .. } => Some(*actual),
            _ => None,
        }
    }
}