golang-samber-lo

You can replace for-loops with declarative functional transforms in Go by using samber/lo to Map, Filter, Reduce, GroupBy, and Chunk collections in a type-safe manner without interface casts.

Handling errors during transformations in Go is best done using samber/lo's Err-suffixed variants like lo.MapErr and lo.FilterErr, which provide correct stop-on-error behavior for robust refactoring.

samber/lo supports parallel processing for CPU-bound Go transformations through the lop package, allowing you to upgrade standard sequential functional operations into concurrent execution.

You can perform in-place mutation on slices and maps in Go by using the lom package from samber/lo, which provides mutable alternatives to standard immutable functional helpers for memory-efficient processing.

Lazy iterator pipelines for Go collection processing should be used with the loi package on Go 1.23+ to defer execution and optimize memory when chaining multiple data reshaping operations.

You can group and chunk Go slices without manual loop logic by applying samber/lo's declarative GroupBy and Chunk utilities, enabling type-safe batch data reshaping and flattening.