sje 0.0.3

Fast JSON deserialisation and serialisation schema based framework.
Documentation 
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#[macro_export]
macro_rules! field_impl1 {
    ($method_name:ident, $method_name_with_known_len:ident $quoted:expr, $one:literal) => {
        impl<'a> JsonScanner<'a> {
            #[inline]
            pub fn $method_name(&mut self) -> Option<(usize, usize)> {
                let offset = self.cursor + $quoted;
                let len = memchr::memchr($one, unsafe { self.bytes.get_unchecked(offset..) })?;
                self.cursor += len + $quoted * 2;
                Some((offset, len))
            }

            #[inline]
            pub const fn $method_name_with_known_len(&mut self, len: usize) -> Option<(usize, usize)> {
                let offset = self.cursor + $quoted;
                self.cursor += len + $quoted * 2;
                Some((offset, len))
            }
        }
    };
}

#[macro_export]
macro_rules! field_impl3 {
    ($method_name:ident, $method_name_with_known_len:ident, $quoted:expr, $one:literal, $two:literal, $three:literal) => {
        impl<'a> JsonScanner<'a> {
            #[inline]
            pub fn $method_name(&mut self) -> Option<(usize, usize)> {
                let offset = self.cursor + $quoted;
                let len = memchr::memchr3($one, $two, $three, unsafe { self.bytes.get_unchecked(offset..) })?;
                self.cursor += len + $quoted * 2;
                Some((offset, len))
            }

            #[inline]
            pub const fn $method_name_with_known_len(&mut self, len: usize) -> Option<(usize, usize)> {
                let offset = self.cursor + $quoted;
                self.cursor += len + $quoted * 2;
                Some((offset, len))
            }
        }
    };
}

#[macro_export]
macro_rules! composite_impl {
    ($method_name:ident, $open_char:literal, $close_char:literal) => {
        impl<'a> JsonScanner<'a> {
            #[inline]
            pub fn $method_name(&mut self) -> Option<(usize, usize)> {
                let offset = self.cursor;
                let mut counter = 1u32;
                for (index, &item) in unsafe { self.bytes.get_unchecked(offset + 1..) }
                    .iter()
                    .enumerate()
                {
                    match item {
                        $open_char => counter += 1,
                        $close_char => counter -= 1,
                        _ => {}
                    }
                    if counter == 0 {
                        self.cursor += index + 2;
                        return Some((offset, index + 2));
                    }
                }
                None
            }
        }
    };
}