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35 lines
952 B
Go
35 lines
952 B
Go
// Copyright (c) 2013-2015 The btcsuite developers
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// Copyright (c) 2015-2019 The Decred developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package txscript
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import (
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"github.com/decred/slog"
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)
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// log is a logger that is initialized with no output filters. This
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// means the package will not perform any logging by default until the caller
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// requests it.
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// The default amount of logging is none.
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var log = slog.Disabled
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// UseLogger uses a specified Logger to output package logging info.
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func UseLogger(logger slog.Logger) {
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log = logger
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}
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// LogClosure is a closure that can be printed with %v to be used to
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// generate expensive-to-create data for a detailed log level and avoid doing
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// the work if the data isn't printed.
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type logClosure func() string
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func (c logClosure) String() string {
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return c()
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}
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func newLogClosure(c func() string) logClosure {
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return logClosure(c)
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}
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