⇐)n ⇐ v: Export DefinitionDefine a variable with name n and export it from the current namespace or program's scope.
ns ← { exported ⇐ 5, unexported ← 0} ns.exported 5 ns.unexported Error: No key found
𝕨 ⇐: Export namesExport the names given in 𝕩 from the current namespace or program's scope. Names must be defined.
ns1 ← { ⟨alsoexported⟩⇐, exported ⇐ 5, alsoexported ← 0} ns1.exported 5 ns1.alsoexported 0