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29 lines
452 B
Go
29 lines
452 B
Go
package availability
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import (
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"errors"
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)
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var (
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ErrUnimplemented = NewError("not implemented")
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ErrBusy = NewError("device or resource busy")
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ErrNoDevice = NewError("no such device")
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)
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type errorString struct {
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s string
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}
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func NewError(text string) error {
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return &errorString{text}
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}
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func IsError(err error) bool {
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var target *errorString
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return errors.As(err, &target)
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}
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func (e *errorString) Error() string {
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return e.s
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}
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