pkg syscall (darwin-arm64), const SYS_STAT64_EXTENDED ideal-int
pkg syscall (darwin-arm64), const SYS_STATFS = 157
pkg syscall (darwin-arm64), const SYS_STATFS ideal-int
pkg syscall (darwin-arm64), const SYS_STATFS64 = 345
pkg syscall (darwin-arm64), const SYS_STATFS64 ideal-int
pkg syscall (darwin-arm64), const SYS_STAT_EXTENDED = 279
pkg syscall (darwin-arm64), const SYS_STAT_EXTENDED ideal-int

i := 0
i, x[i] = 1, 2  // set i = 1, x[0] = 2

i = 0
x[i], i = 2, 1  // set x[0] = 2, i = 1

x[0], x[0] = 1, 2  // set x[0] = 1, then x[0] = 2 (so x[0] == 2 at end)

x[1], x[3] = 4, 5  // set x[1] = 4, then panic setting x[3] = 5.

type Point struct { x, y int }
var p *Point
x[2], p.x = 6, 7  // set x[2] = 6, then panic setting p.x = 7

i = 2
x = []int{3, 5, 7}