Julia API index

Every stable name Julia exports, and its extension seams.

Package: EarthSciAST.jl 0.6.0

Documentation extracted with Base.Docs (Julia 1.13.3).

Capability profiles: core, classification, simulation, runtime I/O.

Extension-tier names are on the Julia extension page .

Stable names

Julia	Canonical	Kind	Summary
`add_continuous_event`	`add_continuous_event`	function	Add a continuous event to a model.
`add_coupling`	`add_coupling`	function	Add a coupling entry to an ESM file.
`add_discrete_event`	`add_discrete_event`	function	Add a discrete event to a model.
`add_equation`	`add_equation`	function	Add a new equation to a model.
`add_reaction`	`add_reaction`	function	Add a new reaction to a reaction system.
`add_species`	`add_species`	function	Add a new species to a reaction system.
`add_variable`	`add_variable`	function	Add a new variable to a model.
`AffectEquation`	`affect_equation`	type	Assignment equation for discrete events.
`algebraic_unknowns`	`algebraic_unknowns`	function	The unknowns constrained only implicitly (`HHSO4 ~ Ksp`) — those an equation never names as a derivative target or a bare-variable LHS (esm-spec §6.3.1).
`apply_unit_conversion`	`apply_unit_conversion`	function	Non-mutating `apply_unit_conversion!`: returns a converted copy, or `values` itself when there is nothing to apply.
`apply_unit_conversion!`	`apply_unit_conversion`	function	Apply `conversion` to `values` IN PLACE, producing the variable’s declared units (esm-spec §8.5).
`AssertionResult`	`assertion_result`	type	Outcome of one `(file, container, test, assertion_idx)` evaluation — the ONE result type both inline-test runners produce (`run_esm_tests` over the MTK engine and…
`brownian_parameters`	`brownian_parameters`	function	Parameters whose `update.kind` is `"wiener"` — the SDE noise sources (esm-spec §6.3.1).
`build_reference_graph`	`build_reference_graph`	function	Resolve the reference edges of one `model` dict into a graph.
`callbacks`	`callbacks`	function	The problem’s own callback set — the composition of its data-refresh, output-sink and checkpoint callbacks, or `nothing` when it has none.
`can_migrate`	`can_migrate`	function	Whether `migrate` would succeed for this version pair — i.e. whether `to_version` is among supported_migration_targets``(from_version).
`canonical_json`	`canonical_json`	function	Emit the canonical on-wire JSON form of an expression per RFC §5.4.6: keys sorted, no extraneous whitespace, shortest round-trip floats with trailing-`.0` disambiguation for…
`canonicalize`	`canonicalize`	function	Canonicalize an expression tree per discretization RFC §5.4.
`CanonicalizeError`	`canonicalize_error`	error	Error raised by `canonicalize` / `canonical_json`.
`closed_function_names`	`closed_function_names`	function	Return the v0.3.0 closed function set.
`ClosedFunctionError`	`closed_function_error`	error	Raised by the closed function registry when the spec contract is violated.
`CompilerReport`	`compiler_report`	type	What a build did, per rule.
`component_graph`	`component_graph`	function	Generate component-level graph showing systems and their couplings.
`ComponentNode`	`component_node`	type	Component-level node representing a model, reaction system, data source, or operator.
`compose`	`compose`	function	Convenience function to create an operator_compose coupling entry linking two systems.
`ConflictingDerivativeError`	`conflicting_derivative_error`	error	Raised when a species appears both as the left-hand side of an explicit differential equation (`D(X, t) = ...`) and as a substrate or product of any reaction in the same…
`constant_parameters`	`constant_parameters`	function	Parameters with neither a `distribution` nor an `update` — plain constants.
`ContinuousEvent`	`continuous_event`	type	Event triggered by zero-crossing of condition expressions.
`Contribution`	`contribution`	type	One summand of a flattened equation’s right-hand side, with its authors.
`CouplingCouple`	`coupling_couple`	type	Bi-directional coupling via connector equations.
`CouplingEdge`	`coupling_edge`	type	Edge representing coupling between components.
`CouplingEntry`	`coupling_entry`	type	Abstract base type for coupling entries that connect model components.
`CouplingImport`	`coupling_import`	type	Reuse of a coupling-library file (esm-spec §10.9, §10.10).
`CyclicPromotionError`	`cyclic_promotion_error`	error	Defined for cross-language error-name parity.
`DataSource`	`data_source`	type	Generic, runtime-agnostic description of an external dataset (esm-spec §8).
`DataSourceBinding`	`data_source_binding`	type	Binds a parameter to one file variable of a `data_sources` entry (esm-spec §8.5) — the `from` value form of a `data` update.
`DataSourceDeterminism`	`data_source_determinism`	type	Reproducibility contract a source advertises to bindings (esm-spec §8.1).
`DataSourceLocation`	`data_source_location`	type	File discovery configuration for a data source (the schema’s `DataSource.source` object).
`DataSourceTemporal`	`data_source_temporal`	type	Temporal coverage and record layout for a data source (esm-spec §8.3).
`declared_system_kind`	`declared_system_kind`	function	The `system_kind` the model DECLARES, verbatim, or `nothing` when the field is absent.
`Decomposition`	`decomposition`	type	A horizontal decomposition (API_SPEC §5.8): the index sets a tiling cuts, each with its period (`nothing` when the axis is not periodic; otherwise the axis’s global extent), and…
`default_forcing_set`	`default_forcing_set`	function	The Problem’s forcing when `rhs_program` ran — provider data, a caller’s array, or the declared default broadcast over the slot’s shape, and an array parameter’s value — copied…
`DependencyEdge`	`dependency_edge`	type	Edge representing dependency between variables.
`derive_odes`	`derive_odes`	function	Generate an ODE model from a reaction system using standard mass action kinetics.
`derive_output_gridding`	`derive_output_gridding`	function	Invert the flat `var_map` (state-element name → flat index) into one `VarGridding` per output base-variable (RFC §7).
`derive_output_meta`	`derive_output_meta`	function	Distill the flattened run document into `OutputMeta`: the model names, the `index_sets` axis lengths, each variable’s declared `shape` (real dim names) + retained CF attrs +…
`derive_output_plan`	`derive_output_plan`	function	Derive the whole output plan for a run (RFC §7–§9) — the Julia mirror of `earthsci_ast::data_output::derive_output_plan`.
`DimensionPromotionError`	`dimension_promotion_error`	error	Raised during flatten when a variable or equation cannot be promoted from its source domain to the target domain given the available `Interface` rules (§4.7.6).
`discrete_parameters`	`discrete_parameters`	function	Parameters carrying any update OTHER than `wiener` — piecewise-constant between refreshes (esm-spec §6.3.1).
`DiscreteEvent`	`discrete_event`	type	Event triggered by discrete triggers whose symbolic `affects` are `AffectEquation`s (`lhs` target name, `rhs` new-value expression) — the schema’s `AffectEquation` shape, shared…
`DiscreteEventTrigger`	`discrete_event_trigger`	type	Abstract base type for discrete event triggers.
`Distribution`	`distribution`	type	A parameter’s value drawn from a probability distribution rather than fixed (esm-spec §6.3, schema `Distribution`).
`Domain`	`domain`	type	Spatial and temporal domain specification.
`DomainExtentMismatchError`	`domain_extent_mismatch_error`	error	Defined for cross-language error-name parity with the Rust `FlattenError` taxonomy and the Python `flatten()` exception set.
`DomainUnitMismatchError`	`domain_unit_mismatch_error`	error	Raised when coupling across an `Interface` requires a unit conversion that was not declared by the user (§4.7.6).
`EarthSciASTError`	`earth_sci_ast_error`	error	Abstract supertype of every exception raised by `EarthSciAST`.
`EditError`	`edit_error`	error	Exception thrown when an editing operation cannot be applied — e.g. removing a variable, equation, reaction, event, or coupling entry that does not exist, or extracting a missing…
`effective_system_kind`	`effective_system_kind`	function	`declared_system_kind` when the model declares one, otherwise the derived `system_kind`.
`EnumLoweringError`	`enum_lowering_error`	error	Raised when enum lowering (esm-spec §9.3) fails, carrying the stable diagnostic `code` as a structured field rather than interpolated into the message — the same shape as…
`Equation`	`equation`	type	Mathematical equation with left-hand side and right-hand side expressions.
`error_code_names`	`error_code_names`	function	Every diagnostic code string in `ERROR_CODES`, sorted.
`ERROR_CODES`	`error_codes`	constant	The registry itself: a `NamedTuple` mapping each SCREAMING_SNAKE_CASE name to the stable diagnostic code string it stands for.
`esm_problem`	`esm_problem`	function	Build the ESM simulation problem for `input` over `tspan = (t0, t1)` — the one noun of esm-libraries-spec §2.5.
`EsmFile`	`esm_file`	type	Main ESM file structure containing all components.
`EsmProblem`	`esm_problem`	type	The ESM simulation problem: the right-hand side `f!` the chosen `compiler` built — the compiled tree walk under `:native` / `:interpreter`, the compiled StableHLO program under…
`evaluate_cellwise`	`evaluate_cellwise`	function	Evaluate an array-valued expression (elementwise ops over array-producing `faq`/`makearray` nodes — e.g. a grid-geometry template expanded by a §9.7 import, or a §6.6.5 analytic…
`evaluate_closed_function`	`evaluate_closed_function`	function	Dispatch a closed function call.
`expand_coupling_imports`	`expand_coupling_imports`	function	Expand every `CouplingImport` entry in `file.coupling` into concrete edges, splicing them in the position of the import entry (esm-spec §10.10.3).
`expression_graph`	`expression_graph`	function	The variable-level dependency graph (esm-libraries-spec §4.8.2): one `VariableNode` per variable, and a `DependencyEdge` from each variable an equation or reaction reads to the…
`ExpressionParseError`	`expression_parse_error`	error	Thrown when an expression string cannot be parsed by `parse_expression` or `parse_equation`.
`ExpressionTemplateError`	`expression_template_error`	error	Exception raised when a load-time lowering pass fails: expression-template expansion (esm-spec §9.6), template-library imports (§9.7), coupling-library imports (§10.9–§10.11),…
`extract`	`extract`	function	Extract a single component into a standalone ESM file.
`field_reduce`	`field_reduce`	function	Collapse a spatial field to the scalar a §6.6.5 `reduce` assertion compares (esm-spec §6.6.5):
`flatten`	`flatten`	function	Flatten the coupled systems in `file` into a single symbolic representation per spec §4.7.5 (+ §4.7.6 for hybrid dimension-promoted cases).
`FlattenedSystem`	`flattened_system`	type	A coupled ESM file flattened into a single symbolic representation.
`FlattenMetadata`	`flatten_metadata`	type	Provenance metadata for a flattened system.
`forcing_set`	`forcing_set`	function	A forcing set for `x` (API_SPEC §5.8): `bufs` holds one buffer per forcing_slots``(x) entry, in slot order, each of `prod(shape)` elements read in linear (column-major) order.
`ForcingSet`	`forcing_set`	type	The forcing inputs of an evaluation (API_SPEC §5.8): one column-major buffer per `forcing_slots` entry, in slot order, and an epoch no other set in the process carries.
`ForcingSlot`	`forcing_slot`	type	One buffer of a `ForcingSet` (`forcing_slots`): the flattened `name`, its resolved `shape` (empty for a 0-d input) and its `kind`: `:forcing` (an externally fed parameter: its…
`format_canonical_float`	`format_canonical_float`	function	Format a finite `Float64` per RFC §5.4.6.
`free_variables`	`free_variables`	function	Extract all free (unbound) variable names from an expression.
`FunctionalUpdate`	`functional_update`	type	A registered handler that computes a parameter’s new value when its update fires (esm-spec §5.5).
`FunctionTable`	`function_table`	type	A sampled function table referenced by `table_lookup` AST op nodes (esm-spec §9.5, v0.4.0).
`FunctionTableAxis`	`function_table_axis`	type	A single named axis inside a `FunctionTable` (esm-spec §9.5).
`Graph`	`graph`	type	Generic graph structure with nodes and edges.
`GridPlan`	`grid_plan`	type	One emergent grid (RFC §9): the ordered SPATIAL `dims` (`name => length`; empty for the scalar grid — the record axis is not included, see `time_dim`), the record-axis name, the…
`group_gridding_by_grid`	`group_gridding_by_grid`	function	Partition output variables into GRIDS by their spatial-dim signature (RFC §9): variables that live on the same set of axes form one grid, so an atmosphere over `[lev, lat, lon]`…
`halo`	`halo`	function	The halo report (API_SPEC §5.8): for every state the operator reads and every cut or face index set on its shape, `(variable, set) => (lo, hi)`, how far the owned output reaches…
`InlineTestOptions`	`inline_test_options`	type	Per-document overrides for `run_inline_tests`, returned by its `options_for` callback.
`is_ode_state`	`is_ode_state`	function	Membership test for `ode_states`.
`lanes`	`lanes`	function	The operator over a run-time list of cells (`kind = :cells`, `sets` every index set of the written variables’ shape) or columns (`kind = :columns`, `sets` the horizontal sets)…
`LIBRARY_VERSION`	`library_version`	constant	This package’s OWN version, read from its `Project.toml` — NOT the `.esm` format version, which is `SCHEMA_VERSION`.
`load_document`	`load_document`	function	Parse an ESM document held in memory as a native Julia dict — the same document a `.esm` file holds, just already parsed.
`load_path`	`load_path`	function	Read and parse an ESM document from a filesystem path.
`load_string`	`load_string`	function	Parse an ESM document from JSON TEXT — held as a `String`, or streamed from an `IO` the method reads to a string first (the `::IO` method is a sanctioned Julia decoration on the…
`lower_enums`	`lower_enums`	function	The PURE form: return a DEEP COPY of `file` with every `enum` op replaced by the `const` integer the file’s `enums` block assigns it, leaving `file` untouched.
`lower_enums!`	`lower_enums`	function	Walk every expression tree in `file` and replace each `enum` op with a `const` integer per the file’s `enums` block.
`lower_expression_templates`	`lower_expression_templates`	function	Run the §9.6.3 rewrite fixpoint over `raw_data` against each component-local `expression_templates` block (esm-spec §9.6.4, Option B): auto `match` rules fire, EAGER…
`lower_reactions_to_equations`	`lower_reactions_to_equations`	function	Produce the ODE equations induced by a set of reactions using standard mass-action kinetics: `d[X]/dt = Σ (stoich_ij * rate_j)`.
`map_variable`	`map_variable`	function	Convenience function to create a variable_map coupling entry that forwards a variable reference `from` into `to`.
`Metadata`	`metadata`	type	Authorship, provenance, and description metadata.
`migrate`	`migrate`	function	Migrate `file` from the version it declares to `target_version`.
`MigrationError`	`migration_error`	error	Thrown when `migrate` is asked for a version pair it does not support — including every pair that crosses the 1.0.0 clean break.
`Model`	`model`	type	ODE-based model component containing variables, equations, and optional subsystems.
`ModelVariable`	`model_variable`	type	A model variable: an `unknown` the solver solves for, or a `parameter` supplied to it (esm-spec §6.3).
`observed_definition`	`observed_definition`	function	The defining right-hand side of the observed unknown `name`, or `nothing` when it is not an observed unknown of `model`.
`observed_definitions`	`observed_definitions`	function	Each observed unknown mapped to its DEFINING EQUATION’s right-hand side.
`observed_field`	`observed_field`	function	The observed `name` of the problem, as a flat vector in row-major cell order (last index fastest; one element for a scalar observed).
`observed_unknowns`	`observed_unknowns`	function	The unknowns defined by a bare-variable LHS (`y ~ f(…)`) — eliminable and materializable (esm-spec §6.3.1).
`ode_states`	`ode_states`	function	The unknowns appearing under `D(·, t)` on some equation LHS — the quantities the solver integrates (esm-spec §6.3.1).
`OperatorComposeAmbiguousBareNameError`	`operator_compose_ambiguous_bare_name_error`	error	Raised when the bare-name fallback would unify two STATE variables and the document has not said which spelling survives (esm-libraries-spec §4.7.1 step 3).
`OperatorComposeNoMergeError`	`operator_compose_no_merge_error`	error	Raised when an `operator_compose` entry merges NOTHING (esm-libraries-spec §4.7.1 step 5).
`OperatorComposeRequireMatchError`	`operator_compose_require_match_error`	error	Raised when an `operator_compose` entry declares `require_match: true` and one of `systems[2]`’s equations found no equation of `systems[1]` to land on (esm-libraries-spec §4.7.1…
`OutputError`	`output_error`	error	Thrown by the streaming-output surface: an unimplemented Sink protocol method, a malformed snapshot, an output request that designates no single variable, or a call to…
`OutputMeta`	`output_meta`	type	The document-derived output metadata carried by an `EsmProblem` so a streaming sink can name axes and emit CF coordinates (RFC §7–§8).
`OutputPlan`	`output_plan`	type	The full derived output plan: one `GridPlan` per emergent grid, in first-seen signature order.
`Parameter`	`parameter`	type	A reaction system’s parameter (`reaction_systems..parameters.`) — the reaction-side twin of a `ModelVariable` of `ParameterVariable` type, and it carries the SAME value model…
`parameter_names`	`parameters`	function	Deprecated alias of `parameters` (API_SPEC.md §8 item 6).
`parameters`	`parameters`	function	Every `parameter` declared by `model`, sorted lexicographically.
`ParameterUpdate`	`parameter_update`	type	One rule saying WHEN a parameter refreshes and WHAT it refreshes from (esm-spec §5.4).
`ParamSlot`	`param_slot`	type	One entry of a program’s parameter vector (`parameters`): the flattened parameter `name` and its declared `default` (`nothing` when it declares none).
`parse_equation`	`parse_equation`	function	Parse `lhs = rhs` into an `Equation`.
`parse_expression`	`parse_expression`	function	Parse a single expression string in the INFIX TEXT form into an AST expression — the inverse of `to_ascii`.
`parse_unit_conversion`	`parse_unit_conversion`	function	Parse a loader variable’s RAW `unit_conversion` (`number \| Expression`).
`ParseError`	`parse_error`	error	Exception thrown when JSON parsing fails.
`plan_dimension_coordinates`	`plan_dimension_coordinates`	function	Resolve the `coordinates` registry (§8.3) into the CF dimension coordinates for a set of `VarGridding`s: for each distinct spatial dim, if the registry has an entry KEYED BY…
`Reaction`	`reaction`	type	Chemical reaction with substrates, products, and rate expression.
`ReactionSystem`	`reaction_system`	type	Collection of chemical reactions with associated species, supporting hierarchical composition.
`Reference`	`reference`	type	Academic citation or data source reference.
`ReferenceEdge`	`reference_edge`	type	A directed `source → target` edge: source references / depends on target.
`ReferenceGraph`	`reference_graph`	type	The resolved reference DAG for one model — the partition pass’s input.
`ReferenceResolutionError`	`reference_resolution_error`	error	A reference could not be resolved, or the reference graph has a cycle.
`ReferenceVertex`	`reference_vertex`	type	A vertex in the reference graph, addressed by a kind-namespaced `key` (`"$kind:$name"`).
`reject_expression_templates_pre_v04`	`reject_expression_templates_pre_v04`	function	Reject `expression_templates` blocks and `apply_expression_template` ops in files declaring `esm` < 0.4.0.
`reject_solver_external_pre_v13`	`reject_solver_external_pre_v13`	function	Reject `solver.external` in a file declaring `esm` < 1.3.0.
`reject_solver_pre_v11`	`reject_solver_pre_v11`	function	Reject a top-level `solver` block in a file declaring `esm` < 1.1.0.
`reject_solver_time_span_pre_v13`	`reject_solver_time_span_pre_v13`	function	Reject `solver.time_span` in a file declaring `esm` < 1.3.0.
`reject_template_imports_pre_v08`	`reject_template_imports_pre_v08`	function	`expression_template_imports`, top-level `expression_templates` (template-library files), and `metaparameters` arrive at `esm: 0.8.0`; files declaring an earlier version that…
`remove_coupling`	`remove_coupling`	function	Remove a coupling entry by index (1-based).
`remove_equation`	`remove_equation`	function	Remove an equation from a model.
`remove_event`	`remove_event`	function	Remove events whose `description` field equals `description` from a model.
`remove_reaction`	`remove_reaction`	function	Remove a reaction by its ID.
`remove_species`	`remove_species`	function	Remove a species from a reaction system.
`remove_variable`	`remove_variable`	function	Remove a variable from a model.
`rename_variable`	`rename_variable`	function	Rename a variable throughout the model.
`resolve_references`	`resolve_references`	function	Resolve reference edges for every model in `document`.
`resolve_subsystem_refs!`	`resolve_subsystem_refs`	function	Resolve all subsystem references in-place.
`resolve_template_machinery`	`resolve_template_machinery`	function	Resolve every esm-spec §9.7 construct of the ROOT document `raw_data` (relative import refs resolve against `base_path`): imports recursively with per-edge instantiation,…
`resolve_time_span`	`resolve_time_span`	function	The interval to simulate `file` over, most specific first (esm-spec §2.2.7):
`resolve_tolerances`	`resolve_tolerances`	function	Resolve integration tolerances most-specific first (esm-spec §2.2.2):
`restrict`	`restrict`	function	The operator restricted to one tile (API_SPEC §5.8, “Tile semantics”): `owned` and `storage` give one inclusive range per cut axis (`"lon" => 17:32`), in global coordinates,…
`rhs_program`	`rhs_program`	function	The Problem’s right-hand side as a program value (API_SPEC §5.8): the whole model over the whole domain, with `u` every state of the Problem (in the Problem’s flat layout) and…
`run_inline_tests`	`run_inline_tests`	function	Run every inline test (esm-spec §6.6, including the §6.6.5 PDE assertions) of the selected component(s) of `inputs` through the official tree-walk simulation pathway, and return…
`sampled_parameters`	`sampled_parameters`	function	Parameters with a `distribution` and no `update` — drawn ONCE at setup (uncertainty quantification, ensembles).
`SCHEMA_VERSION`	`schema_version`	constant	The `.esm` FORMAT version (semver string) this implementation targets — the value written into the `esm` field of freshly constructed files.
`SchemaError`	`schema_error`	type	Represents a validation error with detailed information.
`SchemaValidationError`	`schema_validation_error`	error	Exception thrown when schema validation fails.
`select`	`select`	function	The program of one operator (API_SPEC §5.8, “Selection”): every flattened equation keeps the contributions whose #539 origins intersect `terms` (a vector of `TermOrigin`, matched…
`simplify`	`simplify`	function	Perform constant folding and algebraic simplification on an expression.
`SimulateError`	`simulate_error`	error	Exception thrown when a simulation Problem cannot be built or run (API_SPEC §5.8): `esm_problem` given a missing file or an unsupported input, an override in `p` / `u0` that…
`SliceOutOfDomainError`	`slice_out_of_domain_error`	error	Defined for cross-language error-name parity; only raised if `slice` is ever implemented at a higher tier in the Julia flatten pipeline.
`Solver`	`solver`	type	Document-scoped, OPTIONAL solver hints (esm-spec §2.2) — numerics the document knows about itself, which each binding maps to its own integrator — plus `external`, a reference…
`solver_external_location`	`solver_external_location`	function	Where the document’s `solver.external` points (esm-spec §2.2.6), or `nothing` when its `solver` block carries no `external`.
`SolverTimeSpan`	`solver_time_span`	type	The `solver.time_span` interval (esm-spec §2.2.7): the period the document is meant to be simulated over.
`Species`	`species`	type	Chemical species definition with name and optional properties.
`StateBlock`	`state_block`	type	One block of a program’s `u` (`state_layout`): the flattened state `name`, the 1-based `offset` of its first element, and its `shape` (empty for a 0-d state).
`stoichiometric_matrix`	`stoichiometric_matrix`	function	Compute the net stoichiometric matrix (species × reactions).
`substitute`	`substitute`	function	Replace every variable named in `bindings` with its replacement expression, throughout `expr` (including faq bodies, filter predicates, integral bounds and every other…
`substitute_in_equations`	`substitute_in_equations`	function	Apply substitutions across all equations in a model.
`SubsystemRefError`	`subsystem_ref_error`	error	Exception thrown when subsystem reference resolution fails.
`supported_migration_targets`	`supported_migration_targets`	function	The schema versions `source_version` can be migrated to.
`system_kind`	`system_kind`	function	Derive what the `system_kind` field declares (esm-spec §6.3.1).
`TermOrigin`	`term_origin`	type	Who authored one `Contribution`.
`to_ascii`	`to_ascii`	function	Format target as plain ASCII mathematical notation.
`to_dot`	`to_dot`	function	Export graph to DOT format for Graphviz rendering.
`to_json`	`to_json`	function	Serialize an `EsmFile` to wire-form JSON.
`to_json_compact`	`to_json_compact`	function	The single-line wire form.
`to_json_graph`	`to_json_graph`	function	Export graph to the JSON adjacency list of esm-libraries-spec §4.8.3.
`to_julia_code`	`to_julia_code`	function	Generate a Julia script from an ESM file.
`to_latex`	`to_latex`	function	Format `target` as LaTeX mathematical notation (`\frac{\partial N}{\partial t} = -\lambda \cdot N`).
`to_mermaid`	`to_mermaid`	function	Export graph to Mermaid format for markdown embedding.
`to_unicode`	`to_unicode`	function	Format `target` as Unicode mathematical notation (`∂N/∂t = −λ·N`).
`UNIT_FINDING_DIMENSIONLESS_LITERAL`	`unit_finding_dimensionless_literal`	constant	The `UnitWarning.code` of a check site that the current neutral-literal rule passes or skips but that fails once a bare numeric literal is read as dimensionless at scale 1…
`UnitConversionError`	`unit_conversion_error`	error	A `unit_conversion` that cannot be parsed or applied.
`UnitFinding`	`unit_finding`	type	A units finding: `subpath` RELATIVE to the owning model’s JSON pointer (e.g. `"equations/0"`, `"variables/invalid_sum"`), a human-readable `message`, and the esm-spec §4.8.4…
`UnitWarning`	`unit_warning`	type	A single dimensional-analysis finding, in the STRUCTURED form the Python, TypeScript and Go bindings have always used and Julia did not: this field was a bare `Vector{String}`,…
`unknown_names`	`unknowns`	function	Deprecated alias of `unknowns` (API_SPEC.md §8 item 6).
`unknowns`	`unknowns`	function	Every `unknown` declared by `model`, sorted lexicographically.
`UnmappedDomainError`	`unmapped_domain_error`	error	Raised when two systems on different domains are coupled without an `Interface` that defines their dimension mapping (§4.7.6).
`UnsupportedMappingError`	`unsupported_mapping_error`	error	Raised when an `Interface` requests a `dimension_mapping` type or regridding strategy that is not supported by the current library tier (§4.7.6).
`validate`	`validate`	function	Complete validation combining schema, structural, and unit validation.
`validate_equation_dimensions`	`validate_equation_dimensions`	function	Validate that an equation is dimensionally consistent.
`validate_path`	`validate_path`	function	Validate the document at `path`, INCLUDING the failures that happen while loading it.
`validate_schema`	`validate_schema`	function	Validate `data` (a native JSON tree of `Dict`/`Vector`/scalars) against the ESM schema.
`validate_structural`	`validate_structural`	function	Validate structural consistency of ESM file according to spec Section 3.2.
`validate_text`	`validate_text`	function	Validate an ESM document held as JSON text, INCLUDING the failures that happen while loading it.
`ValidationResult`	`validation_result`	type	Combined validation result containing schema errors, structural errors, unit warnings, and overall validation status.
`VarGridding`	`var_gridding`	type	The gridded layout of one output base-variable, derived from a flat `var_map` (RFC §7).
`VariableNode`	`variable_node`	type	Variable-level node for expression graphs.
`VarPlan`	`var_plan`	type	One output variable as a writer sees it: the on-disk `name`, its ordered on-disk `dims` (record axis first, then spatial axes — a scalar’s dims are exactly `[time_dim]`), the CF…
`write_path`	`write_path`	function	Write an `EsmFile` to `path` as wire-form JSON.