nil かもしれないメンバのある構造体の整列 - Qiita

package main import ( "encoding/json" "fmt" "math/rand" "sort" "golang.org/x/exp/constraints" ) type Sample struct { Name *string Description *string Note *string } func ToPtr[T any](x T) *T { return &x } func NewSample(name, desc, note *string) *Sample { return &Sample{ Name: name, Description: desc, Note: note, } } func comparePtr[T constraints.Ordered](x, y *T) int { if x == y { return 0 } if x