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Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-28 02:07:02 +01:00

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---
name: filter_slice
kind: function
lang: go
domain: core
version: "1.0.0"
purity: pure
signature: "func FilterSlice[T any](xs []T, pred func(T) bool) []T"
description: "Filtra un slice aplicando un predicado sin mutar el original."
tags: [slice, functional, generic]
uses_functions: []
uses_types: []
returns: []
returns_optional: false
error_type: ""
imports: []
tested: false
tests: []
test_file_path: ""
file_path: "functions/core/filter_slice.go"
---
## Ejemplo
```go
evens := FilterSlice([]int{1, 2, 3, 4}, func(n int) bool { return n%2 == 0 })
// evens = [2, 4]
```
## Notas
Funcion pura generica. No muta el slice original — crea uno nuevo.