package sdf:df; interface test-df-guest { use lazy.{ df-value }; init-df: func(df: df-value); test-count: func() -> u64; test-select: func() -> u64; test-row: func() -> u64; test-sort: func() -> u64; test-sql: func() -> u64; // test-row-resource: func() -> u64; } world test-df-world { import lazy; export test-df-guest; }