Created
August 4, 2015 03:05
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golang interface experiments
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| type count int32 | |
| type incrementable interface { | |
| Inc() | |
| } | |
| type countable interface { | |
| incrementable | |
| Dec() | |
| } | |
| func f(x countable) { | |
| x.Inc() | |
| x.Dec() | |
| x.Dec() | |
| } | |
| /*func (x count) Inc() { | |
| x = x + 1 | |
| }*/ | |
| func (x *count) Inc() { | |
| *x = *x + 1 | |
| } | |
| func (x *count) Dec() { | |
| *x = *x - 1 | |
| } | |
| func main() { | |
| var x count = 4 | |
| f(&x) | |
| os.Exit(int(x)) |
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