Wrap() 会复制调用堆栈

error main.fn /Users/choedongcheol/Workspace/temp/test/main.go:100 main.ExampleWrap_extended /Users/choedongcheol/Workspace/temp/test/main.go:116 main.main /Users/choedongcheol/Workspace/temp/test/main.go:208 runtime.main /Users/choedongcheol/.gvm/gos/go1.16/src/runtime/proc.go:225 runtime.goexit /Users/choedongcheol/.gvm/gos/go1.16/src/runtime/asm_amd64.s:1371 inner main.fn /Users/choedongcheol/Workspace/temp/test/main.go:101 main.ExampleWrap_extended /Users/choedongcheol/Workspace/temp/test/main.go:116 main.main /Users/choedongcheol/Workspace/temp/test/main.go:208 runtime.main /Users/choedongcheol/.gvm/gos/go1.16/src/runtime/proc.go:225 runtime.goexit /Users/choedongcheol/.gvm/gos/go1.16/src/runtime/asm_amd64.s:1371 middle main.fn /Users/choedongcheol/Workspace/temp/test/main.go:102 main.ExampleWrap_extended /Users/choedongcheol/Workspace/temp/test/main.go:116 main.main /Users/choedongcheol/Workspace/temp/test/main.go:208 runtime.main /Users/choedongcheol/.gvm/gos/go1.16/src/runtime/proc.go:225 runtime.goexit /Users/choedongcheol/.gvm/gos/go1.16/src/runtime/asm_amd64.s:1371 outer main.fn /Users/choedongcheol/Workspace/temp/test/main.go:103 main.ExampleWrap_extended /Users/choedongcheol/Workspace/temp/test/main.go:116 main.main /Users/choedongcheol/Workspace/temp/test/main.go:208 runtime.main /Users/choedongcheol/.gvm/gos/go1.16/src/runtime/proc.go:225 runtime.goexit /Users/choedongcheol/.gvm/gos/go1.16/src/runtime/asm_amd64.s:1371