Looks fun!: https://play.golang.org/p/8mqzb-1H7f
On Tuesday, October 17, 2017 at 10:39:46 AM UTC-7, Thomas Bushnell, BSG
wrote:
>
> Here's a case that comes up for me:
>
> type table map[string]map[string]string
>
> func (t table) add(x, y, z string) {
> if t[x] == nil {
> t[x] = make(map[string]string)
> }
> t[x][y] = z
> }
>
> func (t table) get(x, y string) string {
> return t[x][y]
> }
>
> The fact that t[x] can be indexed even if it hasn't been created makes
> this much simpler.
>
> On Tue, Oct 17, 2017 at 12:52 AM Alex Dvoretskiy <advore...@gmail.com
> <javascript:>> wrote:
>
>> Hello, Golang Nuts!
>>
>> I have an interesting question about maps. What is the possible usage of
>> nil maps, which can be declared like "var m map[string]int"? You can't
>> write to nil map but have an option to create it.
>>
>> Perhaps there is no use at all and this is just language specific feature?
>>
>> Thank you.
>>
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