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spec: receiver types in method expressions can be parenthesized 

Fixes #4457.

R=rsc, iant, r, ken
CC=golang-dev
https://golang.org/cl/6862046
This commit is contained in:
Robert Griesemer 2012-12-06 09:31:42 -08:00
parent e93bdd998c
commit e06d90136f
1 changed files with 5 additions and 3 deletions
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8
doc/go_spec.html
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@ -3316,7 +3316,7 @@ argument that is the receiver of the method.
<pre class="ebnf">
MethodExpr = ReceiverType "." MethodName .
ReceiverType = TypeName | "(" "*" TypeName ")" .
ReceiverType = TypeName | "(" "*" TypeName ")" | "(" ReceiverType ")" .
</pre>
<p>
@ -3353,13 +3353,15 @@ func(tv T, a int) int
<p>
That function may be called normally with an explicit receiver, so
these three invocations are equivalent:
these five invocations are equivalent:
</p>
<pre>
t.Mv(7)
T.Mv(t, 7)
f := T.Mv; f(t, 7)
(T).Mv(t, t)
f1 := T.Mv; f1(t, 7)
f2 := (T).Mv; f2(t, 7)
</pre>
<p>