変数の初期化コードをローカルスコープに入れる

• 関数にするほどでもない時に。

[]// C[]

[]int[] []x[][], [][]a[][], [][]b[][];[]

[]a[][] = [][]f[][]();[]

[]b[][] = [][]g[][]([][]a[][]);[]

[]x[][] = [][]h[][]([][]b[][]);[]
[]// C++ ?[]

[]int[] []a[][] = [][]f[][]();[]

[]int[] []b[][] = [][]g[][]([][]a[][]);[]

[]int[] []x[][] = [][]h[][]([][]b[][]);[]
[]// learn new things from C[]

[]int[] []x[][]; {[]

  []// if x is well named, you can skip reading this scope![]

  []int[] []a[][] = [][]f[][]();[]

  []int[] []b[][] = [][]g[][]([][]a[][]);[]

  []x[][] = [][]h[][]([][]b[][]);[]

[]}[]