Function llg_matcher_validate_tokens 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn llg_matcher_validate_tokens(
    matcher: &mut LlgMatcher,
    tokens: *const u32,
    n_tokens: usize,
) -> i32

Check how many tokens can be consumed from the given tokens. Returns the number of tokens that can be consumed, or -1 on error.

Safety

This function should only be called from C code.