4 examples of 'golang try catch' in Go

68
func try(fun func(), handler func(interface{})) {
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	defer func() {
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		if err := recover(); err != nil {
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			handler(err)
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		}
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	}()
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	fun()
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}

37
func Try(fn func() Result, failure ...Result) Result {
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	var failed bool
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	var actionResponse Result
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	func() {
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		defer func() {
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			if rec := recover(); rec != nil {
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				failed = true
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			}
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		}()
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		actionResponse = fn()
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	}()
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	if failed {
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		if len(failure) > 0 {
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			return failure[0]
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		}
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		return defaultFailureResponse
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	}
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	return actionResponse
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}

66
func (v *namespace) Catch(f HandlerFunc) Namespace {
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	v.catch = f
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	return v
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}

71
func Catch(fns ...func(error)) {
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	if r := recover(); r != nil && len(fns) > 0 {
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		if err, match := r.(error); match {
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			for _, fn := range fns {
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				fn(err)
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			}
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		} else {
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			err := fmt.Errorf("%v", r)
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			for _, fn := range fns {
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				fn(err)
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			}
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		}
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	}
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}