Compiling mem-core v0.1.0 (/home/runner/work/Poimen/memory/crates/mem-core)
error[E0433]: cannot find function `extract` in this scope
   --> crates/mem-core/src/lesson.rs:456:23
    |
456 |     let sig = extract(&self.output)?;
    |               ^^^^^^^ not found in this scope
    |
help: consider importing this function
    |
456 |     use crate::extract;

error: could not compile `mem-core` due to 1 previous error