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go - value returned by flags into my struct

问题描述

How can I assign the string value returned by flag into my struct? I have the following code.

destDbCfg = &dbhelper.DbConfig {}

destDbCfg.Database = flag.String( "destDBName", "", "Destination DB Database Name")
flag.Parse()

Database is a string

标签： gogo-flag

解决方案

使用这些*Var方法将设置值设置为标志中的现有变量，在这种情况下，您需要flag.StringVar

destDbCfg = &dbhelper.DbConfig{}

flag.StringVar(&destDbCfg.Database, "destDBName", "", "Destination DB Database Name")
flag.Parse()

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