The fourth example for map indexing states you have a map of type [K]V
and attempts to read in a variable of type T. Further, the example
is meant to showcase the boolean return variable saying whether the
map contained a key, but overrides to type T. This will not compile.
Changed last updated date to February 18
Fixes: #23895
Change-Id: I63c52adbcd989afd4855e329e6c727f4c01f7881
Reviewed-on: https://go-review.googlesource.com/94906
Reviewed-by: Robert Griesemer <gri@golang.org>
<!--{
"Title": "The Go Programming Language Specification",
- "Subtitle": "Version of February 1, 2018",
+ "Subtitle": "Version of February 18, 2018",
"Path": "/ref/spec"
}-->
v, ok = a[x]
v, ok := a[x]
var v, ok = a[x]
-var v, ok T = a[x]
</pre>
<p>