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37 lines
924 B
Markdown
37 lines
924 B
Markdown
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# go-debug
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This library provides a very simple method for compile-time or runtime determined debug checks, set using build tags.
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The compile-time checks use Go constants, so when disabled your debug code will not be compiled.
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The possible build tags are:
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- "debug" || "" = debug determined at compile-time
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- "debugenv" = debug determined at runtime using the $DEBUG environment variable
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An example for how this works in practice can be seen by the following code:
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```
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func main() {
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println("debug.DEBUG() =", debug.DEBUG())
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}
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```
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```
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# Debug determined at compile-time, it is disabled
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$ go run .
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debug.DEBUG() = false
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# Debug determined at compile-time, it is enabled
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$ go run -tags=debug .
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debug.DEBUG() = true
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# Debug determined at runtime, $DEBUG is not set
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$ go run -tags=debugenv .
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debug.DEBUG() = false
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# Debug determined at runtime, $DEBUG is set
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$ DEBUG=y go run -tags=debugenv .
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debug.DEBUG() = true
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```
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