Debugging Golang programs with delve

This is a created article in which the information may have evolved or changed.

Installing delve

The official documentation is already full, refer to this (GitHub) installation. Mac OSX is a hassle and needs to get the certificate done.

Breakpoints and variable printing

After the delve is installed, you can use the DLV command directly at the command line.

To view available commands

dlv -h

See Help information: Support for debugging a running process with DLV attach, supporting DLV connect to network port debugging. Here first debug with the simplest DLV Debug.

dlv debug main.go

It then goes into debug mode, at which point the help can see the supported commands.

(dlv) b main.go:16 #在 main.go 的第 16 行设置断点。(dlv) bp   #查看当前所有断点(dlv) c    #运行到下一个断点或者程序结尾(dlv) p a  #打印变量 a 的值(dlv) n    #单步执行代码(dlv) set a=1  #设置变量a 的值