Go Print Stack

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In the process of debugging the Go program, there may be repeated closure of Chan, there may be multiple paths to perform the shutdown operation, in order to determine the operation path can use runtime/debug the package of the PrintStack() print stack, and finally determine the specific execution path. The reference code is as follows [1]:

package mainimport (    "runtime/debug")func main() {    deferfunc() {        ifrecovernil {            debug.PrintStack()        }    }()    value := 111    zero := 0    value = value / zero}

1. Go Exception recovery Print stack