Attaches dependency's exports at spec's search position (below the global environment by
default, see attachPackageAt) and returns the
enriched environment (the graph is untouched). Used by library(), import::from, box::use, requireNamespace,
and the transitive side-effect propagation.
Attaches
dependency's exports atspec's search position (below the global environment by default, see attachPackageAt) and returns the enriched environment (the graph is untouched). Used bylibrary(),import::from,box::use,requireNamespace, and the transitive side-effect propagation.