On Wed, 28 Sep 2016 23:07:06 -0600
andrey mirtchovski <[email protected]> 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.
Kudos for IMO the best explanation of these matters posted to this
thread ;-)
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