podman

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package pretty
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import (
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	"reflect"
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)
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func nonzero(v reflect.Value) bool {
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	switch v.Kind() {
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	case reflect.Bool:
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		return v.Bool()
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	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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		return v.Int() != 0
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	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
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		return v.Uint() != 0
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	case reflect.Float32, reflect.Float64:
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		return v.Float() != 0
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	case reflect.Complex64, reflect.Complex128:
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		return v.Complex() != complex(0, 0)
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	case reflect.String:
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		return v.String() != ""
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	case reflect.Struct:
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		for i := 0; i < v.NumField(); i++ {
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			if nonzero(getField(v, i)) {
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				return true
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			}
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		}
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		return false
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	case reflect.Array:
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		for i := 0; i < v.Len(); i++ {
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			if nonzero(v.Index(i)) {
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				return true
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			}
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		}
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		return false
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	case reflect.Map, reflect.Interface, reflect.Slice, reflect.Ptr, reflect.Chan, reflect.Func:
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		return !v.IsNil()
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	case reflect.UnsafePointer:
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		return v.Pointer() != 0
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	}
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	return true
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}
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