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# Leftward Double Arrow (`⇐`)

## `n ⇐ v`: Export Definition
[→full documentation](../doc/expression.md#exports)

Define a variable with name `n` and export it from the current namespace.

        ns ← { exported ⇐ 5, unexported ← 0}
        ns.exported
        ns.unexported

## `𝕨 ⇐`: Export names
[→full documentation](../doc/expression.md#exports)

Export the names given in `𝕩` from the current namespace. Names must be defined somewhere in the scope.

        ns1 ← { ⟨alsoexported⟩⇐, exported ⇐ 5, alsoexported ← 0}
        ns1.exported
        ns1.alsoexported