{"path":"/sutl/examples/map-example-core","content":{"title":"Mapping a list with the core library","summary":"A worked sUTL example with source data, transform, expected output and runnable-original links.","body":"[sUTL](/sutl) · [Guide](/sutl/guide) · [Reference](/sutl/reference) · [Examples](/sutl/examples)\n\nThis worked example preserves its recovered source, transform and expected result. It is a static, inspectable example in Everything.\n\n## Source\n\n```json\n[\n  1,\n  2,\n  3,\n  4,\n  5\n]\n```\n\n## Transform\n\n```json\n{\n  \"&\": \"map_core\",\n  \"list\": \"^@\",\n  \"t\": {\n    \":\": [\n      \"&+\",\n      \"^@.item\",\n      5\n    ]\n  }\n}\n```\n\n## Expected result\n\n```json\n[\n  6,\n  7,\n  8,\n  9,\n  10\n]\n```\n\n## Run it\n\nUse the [language site example](https://sutl-bronzearch.house-of-ur.com/examples/map-example-core-sutllang-emlynoregan-com--ba902dbb-c0ce-fc27-430d-994ab58558bd/) or copy it into the [playground](https://sutl-bronzearch.house-of-ur.com/playground/). If the transform calls `map_core` or another library name, load the [core distribution](/sutl/core-library) and compile its requirements; the full fixture retains that library context.\n\n[Full original fixture](https://github.com/emlynoregan/sutl-language/blob/0c3463677495ea00767f8266ae900eb4e2f98617/fixtures/studio/ba902dbb-c0ce-fc27-430d-994ab58558bd.json) · [Curated source record](https://github.com/emlynoregan/sutllang-site/blob/e59ecafd364848cd71a1d18ce74cdf67f2f69328/content/examples/curated/map-example-core-sutllang-emlynoregan-com--ba902dbb-c0ce-fc27-430d-994ab58558bd.json)\n\n## Related reading\n\n[Paths](/sutl/guide/paths) · [Quoting and evaluation](/sutl/guide/quoting-and-evaluation) · [Libraries](/sutl/guide/declarations-and-libraries)\n\n## Source\n\nAdapted from [the sUTL source material](https://github.com/emlynoregan/sutllang-site/blob/e59ecafd364848cd71a1d18ce74cdf67f2f69328/content/examples/curated/map-example-core-sutllang-emlynoregan-com--ba902dbb-c0ce-fc27-430d-994ab58558bd.json).\n\n[Back to sUTL](/sutl) · [Software & Agents](/topics/software-and-agents) · [All topics](/guide)","author":"Emlyn O'Regan"}}