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fn_registry/functions/datascience/group_by.md
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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-14 00:28:20 +02:00

886 B

name, kind, lang, domain, version, purity, signature, description, tags, uses_functions, uses_types, returns, returns_optional, error_type, imports, params, output, tested, tests, test_file_path, file_path
name kind lang domain version purity signature description tags uses_functions uses_types returns returns_optional error_type imports params output tested tests test_file_path file_path
group_by function go datascience 1.0.0 pure func GroupBy[T any, K comparable](xs []T, keyFn func(T) K) map[K][]T Agrupa los elementos de un slice según una función clave, devolviendo un mapa de clave a slice de elementos.
datascience
group
aggregate
generic
pendiente-usar
false
name desc
xs slice de elementos a agrupar (tipo genérico T)
name desc
keyFn función que extrae la clave de agrupación de cada elemento (ej: func(u User) string { return u.Department })
mapa de clave a slice de elementos agrupados (ej: {'Sales': [user1, user2], 'Engineering': [user3]}) false
functions/datascience/group_by.go