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fix pre-submit editing typo; text is garbled.
R=rsc DELTA=2 (0 added, 0 deleted, 2 changed) OCL=35841 CL=35841
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@ -1771,8 +1771,8 @@ it also satisfies all three interfaces:
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</p>
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<p>
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There's one important way in which embedding differs from subclassing. When we embed a type,
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the methods of that type become methods of the out type
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<but when they are invoked the receiver of the method is the inner type, not the outer one.
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the methods of that type become methods of the outer type,
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but when they are invoked the receiver of the method is the inner type, not the outer one.
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In our example, when the <code>Read</code> method of a <code>bufio.ReadWriter</code> is
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invoked, it has the exactly the same effect as the forwarding method written out above;
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the receiver is the <code>reader</code> field of the <code>ReadWriter</code>, not the
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