Delve Code Analysis Notes (2)--version

This is a creation in Article, where the information may have evolved or changed.

VersionThe package contains only one version.go :

package versionimport "fmt"// Version represents the current version of Delve.type Version struct {    Major    string    Minor    string    Patch    string    Metadata string    Build    string}var (    // DelveVersion is the current version of Delve.    DelveVersion = Version{Major: "0", Minor: "11", Patch: "0", Metadata: "alpha"})func (v Version) String() string {    return fmt.Sprintf("Version: %s.%s.%s-%s\nBuild: %s", v.Major, v.Minor, v.Patch, v.Metadata, v.Build)}

VersionA package defines a Version variable of type: DelveVersion . Versionthe type String() method is used to construct the dlv version output string () when executing the command cmd/dlv/cmds/commands.go :

......// 'version' subcommand.    versionCommand := &cobra.Command{        Use:   "version",        Short: "Prints version.",        Run: func(cmd *cobra.Command, args []string) {            fmt.Printf("Delve Debugger\n%s\n", version.DelveVersion)        },    }......

Execute dlv version Command:

# dlv versionDelve DebuggerVersion: 0.11.0-alphaBuild: