slint-ui/slint · error

Merge layout infos

Error message

Merge layout infos

What it means

Error "Merge layout infos" thrown in slint-ui/slint.

Source

Thrown at internal/compiler/passes/inlining.rs:477

                elem_binding.priority = elem_binding.priority.saturating_add(priority_delta);
                elem_mut.set_binding(property.clone(), elem_binding);
            }
        }
    }
    for (k, val) in inlined_component.root_element.borrow().change_callbacks.iter() {
        match elem_mut.change_callbacks.entry(k.clone()) {
            std::collections::btree_map::Entry::Vacant(entry) => {
                entry.insert(val.clone());
            }
            std::collections::btree_map::Entry::Occupied(mut entry) => {
                entry.get_mut().get_mut().splice(0..0, val.borrow().iter().cloned());
            }
        }
    }

    if let Some(orig) = &inlined_component.root_element.borrow().layout_info_prop {
        if let Some(_new) = &mut elem_mut.layout_info_prop {
            todo!("Merge layout infos");
        } else {
            elem_mut.layout_info_prop = Some(orig.clone());
        }
    }
    if let Some(orig) = &inlined_component.root_element.borrow().layout_info_v_with_constraint {
        if let Some(_new) = &mut elem_mut.layout_info_v_with_constraint {
            todo!("Merge layout infos");
        } else {
            elem_mut.layout_info_v_with_constraint = Some(orig.clone());
        }
    }
    if let Some(orig) = &inlined_component.root_element.borrow().layout_info_h_with_constraint {
        if let Some(_new) = &mut elem_mut.layout_info_h_with_constraint {
            todo!("Merge layout infos");
        } else {
            elem_mut.layout_info_h_with_constraint = Some(orig.clone());
        }
    }

View on GitHub (pinned to 3fd8f2ec03)

Solutions

1. Internal compiler limitation: simplify the inlined layout structure.
2. Report the triggering .slint code to the Slint issue tracker.

When it happens

Trigger: Thrown at internal/compiler/passes/inlining.rs:477 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of slint-ui/slint@3fd8f2ec03 (2026-08-19). Data as JSON: /api/errors/e1d8021f4f2810e6. Report an issue: GitHub.