Created
August 29, 2024 12:24
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basic example of how Go uses composition instead of inheritence
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| package main | |
| import "fmt" | |
| type Polygon struct { | |
| Sides int | |
| } | |
| func (p *Polygon) NSides() int { | |
| return p.Sides | |
| } | |
| type Triangle struct { | |
| Polygon // anonymous field | |
| } | |
| func main() { | |
| t := Triangle{ | |
| Polygon{ | |
| Sides: 3, | |
| }, | |
| } | |
| fmt.Println(t.NSides()) // 3 | |
| } |
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