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- .claude/agents/fn-orquestador/SKILL.md - .claude/commands/fn_claude.md - .claude/rules/INDEX.md - .claude/rules/cpp_apps.md - .claude/rules/ids_naming.md - CHANGELOG.md - apps/dag_engine/README.md - apps/dag_engine/api.go - apps/dag_engine/dags_migrated/example.yaml - apps/dag_engine/dags_migrated/example_lineage_tracking.yaml - ... Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
28 lines
899 B
Markdown
28 lines
899 B
Markdown
---
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name: group_by
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kind: function
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lang: go
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domain: datascience
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version: "1.0.0"
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purity: pure
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signature: "func GroupBy[T any, K comparable](xs []T, keyFn func(T) K) map[K][]T"
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description: "Agrupa los elementos de un slice según una función clave, devolviendo un mapa de clave a slice de elementos."
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tags: [datascience, group, aggregate, generic, pendiente-usar, transformer]
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uses_functions: []
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uses_types: []
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returns: []
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returns_optional: false
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error_type: ""
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imports: []
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params:
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- name: xs
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desc: "slice de elementos a agrupar (tipo genérico T)"
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- name: keyFn
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desc: "función que extrae la clave de agrupación de cada elemento (ej: func(u User) string { return u.Department })"
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output: "mapa de clave a slice de elementos agrupados (ej: {'Sales': [user1, user2], 'Engineering': [user3]})"
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tested: false
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tests: []
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test_file_path: ""
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file_path: "functions/datascience/group_by.go"
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---
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