Crate sim_lib_expr_tree_server 

Authoritative expression-tree sessions over SIM’s standard server surfaces.

ExpressionTreeServer is both a sim_lib_server::EvalSite and a sim_kernel::EvalFabric. It owns bounded live tree sessions, evaluates expression-tree operations with the caller’s context and capabilities, accepts checked sim_lib_view::SurfaceCodec operations, and exposes bounded revisioned snapshots and watches. Optional server wall-clock observations accompany mandatory logical ticks but never decide freshness, expiry, or optimistic concurrency.

Structs

ChangeEvent

One revisioned server-side change observation.

ExpressionTreeServer

Authoritative bounded expression-tree session server.

ExpressionTreeServerError

Stable structured error returned by the expression-tree server.

ExpressionTreeServerLib

Loadable library exporting one authoritative expression-tree site.

ExpressionTreeServerLimits

Hard lifecycle and backpressure limits for one server.

ExpressionTreeWebSurface

One browser-owned expression-tree surface over a real server transport.

ExpressionTreeWebSurfaceFactory

Builds isolated browser surfaces for one authoritative expression-tree resource.

SessionId

Opaque identity of one authoritative expression-tree session.

WatchBatch

One bounded watch poll with explicit overflow evidence.

WatchId

Opaque identity of one bounded session watch.

Functions

component_identities

Returns the runtime and surface identities composed by this server.

crate_identity

Returns the crate’s public server-library identity.

expr_tree_server_lib_symbol

Stable library symbol for the expression-tree server.

expr_tree_server_site_symbol

Stable placement symbol exported by the expression-tree server library.

install_expr_tree_server_lib

Installs the expression-tree server library exactly once.