cannot use nil as type time.Time in return argument " m' D$ L: y Y/ H3 V* u7 \& \
的zero价值是time.Time什么? ' }! P4 l3 r/ u3 ] 5 f0 W* O1 l6 D0 ~+ l6 v# ~ 解决方案: ) ^1 _4 p0 Y" \* j1 h
调用空time.Time结构体字面量返回 Go 零日期。因此,以下打印语句:1 e/ b. a- X5 n. G: v }( K
fmt.Println(time.Time{}) 0 O/ I( H5 v. b, S% Y- v
输出是: 4 f. t" p: X0 o' m6 o K
0001-01-00:000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000UTC; I! `% t5 C; K' V5 u1 b! D