Function lastN [src]

Retrieve the n-th last byte

Prototype

pub fn lastN(self: Self, dist: usize) !u8

Parameters

self: Selfdist: usize

Source

  pub fn lastN(self: Self, dist: usize) !u8 {
    const buf_len = self.buf.items.len;
    if (dist > buf_len) {
        return error.CorruptInput;
    }

    return self.buf.items[buf_len - dist];
}  