22 lines
571 B
Go
22 lines
571 B
Go
package entity
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import "errors"
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//ErrNotFound not found
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var ErrNotFound = errors.New("Not found")
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//ErrInvalidEntity invalid entity
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var ErrInvalidEntity = errors.New("Invalid entity")
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//ErrCannotBeDeleted cannot be deleted
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var ErrCannotBeDeleted = errors.New("Cannot Be Deleted")
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//ErrNotEnoughBooks cannot borrow
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var ErrNotEnoughBooks = errors.New("Not enough books")
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//ErrBookAlreadyBorrowed cannot borrow
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var ErrBookAlreadyBorrowed = errors.New("Book already borrowed")
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//ErrBookNotBorrowed cannot return
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var ErrBookNotBorrowed = errors.New("Book not borrowed")
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