43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
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package log
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// Loggable describes objects that can be marshalled into Metadata for logging
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type Loggable interface {
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Loggable() map[string]interface{}
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}
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// LoggableMap is just a generic map keyed by string. It
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// implements the Loggable interface.
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type LoggableMap map[string]interface{}
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// Loggable implements the Loggable interface for LoggableMap
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func (l LoggableMap) Loggable() map[string]interface{} {
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return l
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}
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// LoggableF converts a func into a Loggable
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type LoggableF func() map[string]interface{}
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// Loggable implements the Loggable interface by running
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// the LoggableF function.
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func (l LoggableF) Loggable() map[string]interface{} {
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return l()
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}
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// Deferred returns a LoggableF where the execution of the
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// provided function is deferred.
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func Deferred(key string, f func() string) Loggable {
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function := func() map[string]interface{} {
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return map[string]interface{}{
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key: f(),
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}
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}
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return LoggableF(function)
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}
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// Pair returns a Loggable where key is paired to Loggable.
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func Pair(key string, l Loggable) Loggable {
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return LoggableMap{
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key: l,
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}
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}
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