bit clear: &^ and &^=

R=gri
DELTA=5  (3 added, 0 deleted, 2 changed)
OCL=26155
CL=26157
This commit is contained in:
Rob Pike 2009-03-11 21:59:05 -07:00
parent bb02e481d2
commit cd04ec95ea

View file

@ -297,6 +297,7 @@ The following character sequences represent operators, delimiters, and other spe
* ^ *= ^= <- > >= { }
/ << /= <<= ++ = := , ;
% >> %= >>= -- ! ... . :
&amp;^ &amp;^=
</pre>
<h3>Integer literals</h3>
@ -2416,7 +2417,7 @@ log_op = "||" | "&amp;&amp;" .
com_op = "&lt;-" .
rel_op = "==" | "!=" | "&lt;" | "&lt;=" | ">" | ">=" .
add_op = "+" | "-" | "|" | "^" .
mul_op = "*" | "/" | "%" | "&lt;&lt;" | ">>" | "&amp;" .
mul_op = "*" | "/" | "%" | "&lt;&lt;" | ">>" | "&amp;" | "&amp;^" .
unary_op = "+" | "-" | "!" | "^" | "*" | "&amp;" | "&lt;-" .
</pre>
@ -2460,7 +2461,7 @@ operators, comparison operators, communication operators,
<pre class="grammar">
Precedence Operator
6 * / % &lt;&lt; >> &amp;
6 * / % &lt;&lt; >> &amp; &amp;^
5 + - | ^
4 == != &lt; &lt;= > >=
3 &lt;-
@ -2505,6 +2506,7 @@ to strings; all other arithmetic operators apply to integers only.
&amp; bitwise and integers
| bitwise or integers
^ bitwise xor integers
&amp;^ bitwise nand integers
<< left shift integer << unsigned integer
>> right shift integer >> unsigned integer
@ -3021,6 +3023,7 @@ x = 1
*p = f()
a[i] = 23
k = <-ch
i &^= (1<<n)
</pre>
<p>