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spec: typed indices must be of integer type

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The same rules apply for make arguments.

R=r, rsc, iant, ken
CC=golang-dev
https://golang.org/cl/7656043
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Robert Griesemer 2013-03-11 09:20:52 -07:00
parent c729ed631f
commit b66df0e9ba
1 changed files with 3 additions and 2 deletions
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doc/go_spec.html
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@ -2513,7 +2513,8 @@ rules apply:
If <code>a</code> is not a map: If <code>a</code> is not a map:
</p> </p>
<ul> <ul>
<li>the index <code>x</code> must be an integer value; it is <i>in range</i> if <code>0 &lt;= x &lt; len(a)</code>, <li>the index <code>x</code> must be of integer type or untyped;
it is <i>in range</i> if <code>0 &lt;= x &lt; len(a)</code>,
otherwise it is <i>out of range</i></li> otherwise it is <i>out of range</i></li>
<li>a <a href="#Constants">constant</a> index must be non-negative <li>a <a href="#Constants">constant</a> index must be non-negative
and representable by a value of type <code>int</code> and representable by a value of type <code>int</code>
@ -5095,7 +5096,7 @@ make(T, n) channel asynchronous channel of type T, buffer size n
<p> <p>
The size arguments <code>n</code> and <code>m</code> must be integer values. The size arguments <code>n</code> and <code>m</code> must be of integer type or untyped.
A <a href="#Constants">constant</a> size argument must be non-negative and A <a href="#Constants">constant</a> size argument must be non-negative and
representable by a value of type <code>int</code>. representable by a value of type <code>int</code>.
If both <code>n</code> and <code>m</code> are provided and are constant, then If both <code>n</code> and <code>m</code> are provided and are constant, then