Module host 

Modules

turn_cache

Per-turn memoization of turn-stable host capability reads.

Traits

HostCallBridge

Embedder-supplied bridge for host_call ops.

Functions

clear_host_call_bridge

Remove the current thread’s bridge. Idempotent.

dispatch_host_call_bridge

Dispatch (capability, operation, params) to the currently-installed HostCallBridge, if any. Some(Ok(_)) means the bridge handled the call; Some(Err(_)) means it tried but raised; None means there is no bridge or the bridge declined this op (returned Ok(None)).

dispatch_host_operation

Public entry for canonical host_call dispatch without an async-builtin context. Used by embedder tests and by MCP/host plumbing that already sits outside a VM builtin frame.

dispatch_host_operation_with_ctx

Canonical host_call dispatch.

dispatch_mock_hostlib_call

Dispatch a hostlib builtin through the same scoped mock registry used by host_call.

host_call_ready

Box a ready host-call result for sync bridge implementations.

register_callable_host_operation

register_mockable_host_operation

register_scoped_mockable_host_operation

Register a mock-validation declaration scoped to the current test thread.

set_host_call_bridge

Install a bridge for the current thread. The bridge is consulted on every host_call after mock matching but before the built-in match arms, so embedders can override anything they like (and equally punt on anything they don’t, by returning Ok(None)).

Type Aliases

HostCallDispatchFuture

Boxed future returned by HostCallBridge::dispatch.