Module engine 

Formualizer Dependency Graph Engine

Provides incremental formula evaluation with dependency tracking.

Re-exports

pub use eval::Engine;

pub use eval::EvalResult;

pub use eval::RecalcPlan;

pub use graph::snapshot::VertexSnapshot;

pub use graph::ChangeEvent;

pub use graph::DependencyGraph;

pub use graph::DependencyRef;

pub use graph::OperationSummary;

pub use graph::StripeKey;

pub use graph::StripeType;

pub use graph::block_index;

pub use scheduler::Layer;

pub use scheduler::Schedule;

pub use scheduler::Scheduler;

pub use vertex::VertexId;

pub use vertex::VertexKind;

pub use graph::editor::DataUpdateSummary;

pub use graph::editor::EditorError;

pub use graph::editor::MetaUpdateSummary;

pub use graph::editor::RangeSummary;

pub use graph::editor::ShiftSummary;

pub use graph::editor::TransactionId;

pub use graph::editor::VertexDataPatch;

pub use graph::editor::VertexEditor;

pub use graph::editor::VertexMeta;

pub use graph::editor::VertexMetaPatch;

pub use graph::editor::change_log::ChangeLog;

pub use graph::editor::change_log::ChangeLogger;

pub use graph::editor::change_log::NullChangeLogger;

Modules

arena

arrow_ingest

csr_edges

debug_views

delta_edges

eval

graph

ingest

ingest_builder

interval_tree

named_range

plan

range_view

scheduler

sheet_index

sheet_registry

spill

Spill interfaces (shim) for reserve/write/commit/rollback lifecycle. Phase 2: Introduce types only; implementation can delegate to current graph methods.

topo

Dynamic topological ordering utilities

tuning

Warmup configuration and tuning parameters

vertex

vertex_store

Structs

EvalConfig

Configuration for the evaluation engine

SpillConfig

Configuration for spill behavior. Nested under EvalConfig to avoid bloating the top-level.

Enums

DateSystem

Excel workbook date system selection.

SheetIndexMode

SpillBoundsPolicy

SpillBufferMode

SpillCancellationPolicy

SpillConflictPolicy

SpillTiebreaker

SpillVisibility

Traits

CalcObserver

🔮 Scalability Hook: Performance monitoring trait for calculation observability

Functions

new_engine

Construct a new engine with the given resolver and configuration