{"id":13282517,"url":"https://github.com/mesopelagique/formula_compose","last_synced_at":"2026-03-01T10:07:42.419Z","repository":{"id":109495620,"uuid":"238903757","full_name":"mesopelagique/formula_compose","owner":"mesopelagique","description":"Chained formula executions","archived":false,"fork":false,"pushed_at":"2020-02-17T08:59:15.000Z","size":17,"stargazers_count":3,"open_issues_count":0,"forks_count":1,"subscribers_count":3,"default_branch":"master","last_synced_at":"2024-07-29T16:17:11.113Z","etag":null,"topics":["4d-code","4d-component"],"latest_commit_sha":null,"homepage":"https://mesopelagique.github.io/formula_compose/","language":"4D","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/mesopelagique.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2020-02-07T11:10:53.000Z","updated_at":"2024-07-29T16:17:11.114Z","dependencies_parsed_at":"2023-07-14T23:01:32.350Z","dependency_job_id":null,"html_url":"https://github.com/mesopelagique/formula_compose","commit_stats":null,"previous_names":[],"tags_count":1,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mesopelagique%2Fformula_compose","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mesopelagique%2Fformula_compose/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mesopelagique%2Fformula_compose/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mesopelagique%2Fformula_compose/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/mesopelagique","download_url":"https://codeload.github.com/mesopelagique/formula_compose/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":242789575,"owners_count":20185488,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["4d-code","4d-component"],"created_at":"2024-07-29T15:55:49.944Z","updated_at":"2026-03-01T10:07:41.966Z","avatar_url":"https://github.com/mesopelagique.png","language":"4D","funding_links":[],"categories":[],"sub_categories":[],"readme":"[![language](https://img.shields.io/static/v1?label=language\u0026message=4d\u0026color=blue)](https://developer.4d.com/)\n[![language-top](https://img.shields.io/github/languages/top/mesopelagique/formula_compose.svg)](https://developer.4d.com/)\n![code-size](https://img.shields.io/github/languages/code-size/mesopelagique/formula_compose.svg)\n[![release](https://img.shields.io/github/v/release/mesopelagique/formula_compose)](https://github.com/mesopelagique/formula_compose/releases/latest)\n[![license](https://img.shields.io/github/license/mesopelagique/formula_compose)](LICENSE)\n\n# ⛓ Formula Composition\n\nCreate a new `Formula` from a list of `Formula`.\n\n![maths](https://latex.codecogs.com/png.latex?f%28x%29\u0026space;\\cdot\u0026space;g%28y%29\u0026space;\\cdot\u0026space;h%28z%29\u0026space;\\Leftrightarrow\u0026space;h%28g%28f%28x%29%29%29)\n\nResult of previous `Formula` computation is used as parameter for the next one. So you can chain multiple operations.\n\n## Examples\n\n```4d\n$result:=formula_compose (Formula($1+1);Formula($1+2)).call(Null;0) // (0 + 1) + 2 = 3\n\n// or using collection\n$formulas:=New collection(Formula($1+1);Formula($1+2)) // add one then add 2\n$result:=formula_compose ($formulas).call(Null;0) // (0 + 1) + 2 = 3\n```\n\n### Assigning to an object\n\n```4d\n$operation:=New object(\"compute\";formula_compose ($formulas))\n$result:=$operation.compute(3) // (3 + 1) + 2 = 5\n```\n\nmore in [formula_compose](Documentation/Methods/formula_compose.md)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmesopelagique%2Fformula_compose","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmesopelagique%2Fformula_compose","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmesopelagique%2Fformula_compose/lists"}