flagx

package

v1.0.0 Latest Latest Go to latest Published: Mar 30, 2023 License: Apache-2.0 Imports: 4 Imported by: 0

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func IsSet(fs *flag.FlagSet, name string) bool

IsSet 判断flag.FlagSet中某个key是否已经设置过了

type NamedFlagSets struct {
	// contains filtered or unexported fields
}

NamedFlagSets 存储了命名参数集合

func (nfs *NamedFlagSets) BindFlagSet(fs *flag.FlagSet, envPrefix string)

BindFlagSet 将所有的flag绑定到fs中，并从环境变量中读取

func (nfs *NamedFlagSets) CanSet(key string, source Source) bool

CanSet 判断key是否可以被source设置,如果已经被更高优先级的source设置，则返回false

func (nfs *NamedFlagSets) FlagSet(name ...string) *flag.FlagSet

FlagSet 返回一个以name为名称的flagSet 如果不存在，则新建一个，并保存到FlagSets映射，添加排序

func (nfs *NamedFlagSets) Set(key string, value string, source Source) error

func (nfs *NamedFlagSets) SetValidateTags(tags map[string]string)

func (nfs *NamedFlagSets) VisitAll(fn func(p string, f *flag.Flag))

type Source int

const (
	SourceNone Source = iota
	SourceRemote
	SourceFile
	SourceEnvrioment
	SourceArgs
)

func (s Source) String() string