mc388 /
go-money
| 1 | package money |
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| 2 | |||
| 3 | type calculator struct{} |
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| 4 | |||
| 5 | func (c *calculator) add(a, b *Amount) *Amount { |
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| 6 | 1 | return &Amount{a.Value() + b.Value()} |
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| 7 | } |
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| 8 | |||
| 9 | func (c *calculator) subtract(a, b *Amount) *Amount { |
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| 10 | 1 | return &Amount{a.Value() - b.Value()} |
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| 11 | } |
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| 12 | |||
| 13 | func (c *calculator) multiply(a *Amount, m int64) *Amount { |
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| 14 | 1 | return &Amount{a.Value() * m} |
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| 15 | } |
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| 16 | |||
| 17 | func (c *calculator) allocate(a *Amount, ratio, total int) *Amount { |
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| 18 | 1 | return &Amount{a.Value() * int64(ratio) / int64(total)} |
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| 19 | } |
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| 20 |
