Go Slices: usage and internals - The Go Programming Language

Go’s arrays are values. An array variable denotes the entire array; it is not a pointer to the first array element (as would be the case in C). This means that when you assign or pass around an array value you will make a copy of its contents. (To avoid the copy you could pass a pointer to the array, but then that’s a pointer to an array, not an array.) One way to think about arrays is as a sort o

[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。

[Humangas]

“make”

[takatoshiono]

いい記事だなあ。だいぶ理解が進んだぞ