On Thursday, September 29, 2016 at 1:07:17 PM UTC+8, andrey mirtchovski
wrote:
>
> > I just want to understand what is the deep reason for the syntax
> > inconsistency between map index and type assert.
>
> a map is fully typed at compile time. even if its key is of type
> interface{} the language defines how to compare two interface{} values
> using type assertion here:
> https://golang.org/ref/spec#Comparison_operators
>
> "Interface values are comparable. Two interface values are equal if
> they have identical dynamic types and equal dynamic values or if both
> have value nil."
>
> Using interface{} in assignments on the other hand is only type-safe
> at runtime when used with a type assertion.
>
Aha, it would be more understandable if you can explain it with code.
:), my English is not very good.
--
You received this message because you are subscribed to the Google Groups
"golang-nuts" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to golang-nuts+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
