25 lines
479 B
Go
25 lines
479 B
Go
package main
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type Error int
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const (
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ErrorUnknownOpcode Error = iota
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ErrorDivideByZero
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ErrorWrongOperandCount
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ErrorNegativeShiftAmount
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)
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func (err Error) Error () (description string) {
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switch err {
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case ErrorUnknownOpcode:
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description = "unknown opcode"
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case ErrorDivideByZero:
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description = "division by zero"
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case ErrorWrongOperandCount:
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description = "wrong operand amount"
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case ErrorNegativeShiftAmount:
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description = "negative shift amount"
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}
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return
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}
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