msg_parser 0.1.0

Outlook Email Message (.msg) parser
Documentation 
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pub(crate) trait FromSlice<T> {
  fn from_slice(buf: &[T]) -> Self;
}


impl FromSlice<u8> for usize {
  fn from_slice(buf: &[u8]) -> Self {
    let mut result = 0usize;
    let mut p = 0u32;
    for i in 0..buf.len() {
      result += (buf[i] as usize) * 256usize.pow(p);
      p += 1;
    }
    result
  }
}

impl FromSlice<u8> for u32 {
  fn from_slice(buf: &[u8]) -> Self {
    let mut result = 0u32;
    let mut p = 0u32;
    for i in 0..buf.len() {
      result += (buf[i] as u32) * 256u32.pow(p);
      p += 1;
    }
    result
  }
}

impl FromSlice<u8> for i32 {
  fn from_slice(buf: &[u8]) -> Self {
    let mut result = 0i32;
    let mut p = 0u32;
    for i in 0..buf.len() {
      result += (buf[i] as i32) * 256i32.pow(p);
      p += 1;
    }
    result
  }
}

impl FromSlice<u8> for u64 {
  fn from_slice(buf: &[u8]) -> Self {
    let mut result = 0u64;
    let mut p = 0u32;
    for i in 0..buf.len() {
      result += (buf[i] as u64) * 256u64.pow(p);
      p += 1;
    }
    result
  }
}