Исходники и презентации

lessons/interfaces/duck_typing_problem/main.go

@@ -0,0 +1,21 @@
+package main
+
+import "context"
+
+type UserService interface {
+	Save(ctx context.Context, name string) (int64, error)
+	Get(ctx context.Context, id int64) (interface{}, error)
+}
+
+type UserRepository interface {
+	Save(ctx context.Context, name string) (int64, error)
+	Get(ctx context.Context, id int64) (interface{}, error)
+}
+
+type Provider struct{}
+
+func NewProvider() Provider {
+	return Provider{}
+}
+
+func (p *Provider) ProvideUserRepo() UserService