ReadonlyenvThe definition of the variable that holds the environment
Readonlyenvirdata with its environment replaced by the resolved envState for in-env lookups.
ReadonlyenvirNode ID of the USE of the envir variable (e.g. the e in envir=e).
Optional Readonlyistrue when this resolves to a real stack environment (globalenv()/.GlobalEnv), not a tracked custom env.
Result type for a successful envir-argument resolution.