Method patch

compiler/src/modules/parser/mod.rs:382–386

(&mut self, pos: usize)

    }

    pub(super) fn patch(&mut self, pos: usize) {
        let target = self.chunk.instructions.len() as u16;
        // Error recovery can leave a stale placeholder; skip if it was never emitted.
        if let Some(ins) = self.chunk.instructions.get_mut(pos) { ins.operand = target; }
    }

    /* Patch a jump to an explicit target; bounds-safe so instruction overflow (`emit` freezes at MAX_INSTRUCTIONS) can't panic on a stale index. */
    pub(super) fn patch_to(&mut self, pos: usize, target: u16) {