26 lines
738 B
Go
26 lines
738 B
Go
// A `panic` typically means something went unexpectedly
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// wrong. Mostly we use it to fail fast on errors that
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// shouldn't occur during normal operation, or that we
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// aren't prepared to handle gracefully.
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package main
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import "os"
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func main() {
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// We'll use panic throughout this site to check for
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// unexpected errors. This is the only program on the
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// site designed to panic.
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panic("a problem")
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// A common use of panic is to abort if function
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// returns an error value that we don't know how to
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// (or want to) handle. Here's an example of
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// `panic`king if we get an unexpected error when creating a new file.
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f, err := os.Create("/tmp/file")
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if err != nil {
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panic(err)
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}
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}
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