22 lines
709 B
Go
22 lines
709 B
Go
// Copyright (c) 2013 Conformal Systems LLC.
|
|
// Use of this source code is governed by an ISC
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package main
|
|
|
|
// logClosure is used to provide a closure over expensive logging operations
|
|
// so don't have to be performed when the logging level doesn't warrant it.
|
|
type logClosure func() string
|
|
|
|
// String invokes the underlying function and returns the result.
|
|
func (c logClosure) String() string {
|
|
return c()
|
|
}
|
|
|
|
// newLogClosure returns a new closure over a function that returns a string
|
|
// which itself provides a Stringer interface so that it can be used with the
|
|
// logging system.
|
|
func newLogClosure(c func() string) logClosure {
|
|
return logClosure(c)
|
|
}
|