pub const EOF: i32 = -1;
pub const UNKNOWN_SOURCE_NAME: &str = "<unknown>";
pub trait IntStream {
fn consume(&mut self);
fn la(&mut self, offset: isize) -> i32;
fn mark(&mut self) -> isize {
-1
}
fn release(&mut self, _marker: isize) {}
fn index(&self) -> usize;
fn seek(&mut self, index: usize);
fn size(&self) -> usize;
fn source_name(&self) -> &str {
UNKNOWN_SOURCE_NAME
}
}