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spec: improve the example in Type assertions section

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The example, var v, ok T1 = x.(T), can be interpreted as type T1 interface{} or type T = bool; type T1 = T.
Separating the example would help understanding for readers.

Change-Id: I179f4564e67f4d503815d29307df2cebb50c82f9
GitHub-Last-Rev: b34fffb6bb
GitHub-Pull-Request: golang/go#44040
Reviewed-on: https://go-review.googlesource.com/c/go/+/288472
Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Robert Griesemer <gri@golang.org>
This commit is contained in:
task4233 2021-02-02 03:54:24 +00:00 committed by Robert Griesemer
parent 98f8454a73
commit fca94ab3ab
1 changed files with 2 additions and 2 deletions
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4
doc/go_spec.html
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@ -1,6 +1,6 @@
<!--{
"Title": "The Go Programming Language Specification",
"Subtitle": "Version of Oct 7, 2020",
"Subtitle": "Version of Feb 2, 2021",
"Path": "/ref/spec"
}-->
@ -3400,7 +3400,7 @@ A type assertion used in an <a href="#Assignments">assignment</a> or initializat
v, ok = x.(T)
v, ok := x.(T)
var v, ok = x.(T)
var v, ok T1 = x.(T)
var v, ok interface{} = x.(T) // dynamic types of v and ok are T and bool
</pre>
<p>