ff

package module
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 Go to latest Published: Jan 5, 2023 License: MIT Imports: 6 Imported by: 0

README

ff

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Tiny feature flag framework in Go

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Types

type FeatureFlag 

type FeatureFlag struct {
	ID    string
	Value float64
}

FeatureFlag represents a feature flag with an identifier and a value

func NewFeatureFlag 

func NewFeatureFlag(id string, value float64) (*FeatureFlag, error)

NewFeatureFlag returns a new feature flag

func (*FeatureFlag) IsEnabled 

func (ff *FeatureFlag) IsEnabled() bool

IsEnabled returns true with probability equal to the value of the flag.

func (*FeatureFlag) IsEnabledForUser 

func (ff *FeatureFlag) IsEnabledForUser(userID string) bool

IsEnabledForUser returns true if the treatment represented by this flag should be applied for a given user identifier. If the flag's value does not change, this will always return the same result for any given user identifier.

type FlagStorage 

type FlagStorage interface {
	GetFlag(id string) (*FeatureFlag, error)
	PutFlag(ff *FeatureFlag) error
	DeleteFlag(id string) error
}

FlagStorage represents the required functionality of a storage solution for feature flags.

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