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34 lines
994 B
34 lines
994 B
package param
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import (
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"errors"
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"fmt"
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"log"
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)
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// TODO: someday it might be nice to throw typed errors instead of weird strings
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// Testing log.Fatal in tests is... not a thing. Allow tests to stub it out.
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var pebkacTesting bool
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const errPrefix = "param/parse: "
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const yourFault = " This is a bug in your use of the param library."
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// Panic with a formatted error. The param library uses panics to quickly unwind
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// the call stack and return a user error
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func perr(format string, a ...interface{}) {
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err := errors.New(errPrefix + fmt.Sprintf(format, a...))
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panic(err)
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}
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// Problem exists between keyboard and chair. This function is used in cases of
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// programmer error, i.e. an inappropriate use of the param library, to
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// immediately force the program to halt with a hopefully helpful error message.
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func pebkac(format string, a ...interface{}) {
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err := errors.New(errPrefix + fmt.Sprintf(format, a...) + yourFault)
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if pebkacTesting {
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panic(err)
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} else {
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log.Fatal(err)
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}
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}
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