Module value 

Structs

BuiltinClosureFn

Wrapper around a closure-backed builtin so Value can still derive Debug. dyn Fn doesn’t implement Debug; we print a placeholder.

IonFn

A function value.

Enums

Value

Runtime value representation.

Type Aliases

BuiltinClosure

BuiltinFn

A built-in function: Rust-side callback.

FnChunkCache

Precompiled function chunk, keyed by fn_id.