Go Slices: usage and internals - The Go Programming Language

Introduction Go’s slice type provides a convenient and efficient means of working with sequences of typed data. Slices are analogous to arrays in other languages, but have some unusual properties. This article will look at what slices are and how they are used. Arrays The slice type is an abstraction built on top of Go’s array type, and so to understand slices we must first understand arrays. An a

[ikngtty]

配列の一部しか要らない時は、必要な部分だけ明示的に copy で移し替えた方がいいのか。スライスするだけじゃ元の配列への参照が残るので、不要な部分をメモリから消せない。

[IzumiSy]

golangにおけるスライスの内部実装について

[BigFatCat]

"The capacity is the number of elements in the underlying array (beginning at the element referred to by the slice pointer). " sliceのlengthとcapacityの違い。capacityはsliceのポインタが指すarrayの要素から最後の要素までの要素数。lengthはslice自体の長さ。

[takatoshiono]

いい記事だなあ。だいぶ理解が進んだぞ