Already declared local variables and functions may be exported using the
curly brace export list syntax.

-- File test-var-decl.uc --
let testvar = 123;
const testconst = "Test";

function testfunc() {
	print("Hello, world!\n");
}

export { testvar, testconst, testfunc };
-- End --

-- Testcase --
import { testvar, testconst, testfunc } from "./files/test-var-decl.uc";

print([ testvar, testconst, testfunc ], "\n");
-- End --

-- Args --
-R
-- End --

-- Expect stdout --
[ 123, "Test", "function testfunc() { ... }" ]
-- End --