Third , teaching difficult: the conversion operator and at the heavy - duty assignment.

教学难点: 转换运算符和赋值符的重载.

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The conversion operator converts from a source type to a target type.

转换运算符将源类型转换为目标类型.

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The source type provides the conversion operator.

源类型提供转换运算符.

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For example definitions of widening and narrowing conversion operators, see How to: Define a Conversion Operator.

有关扩大转换和收缩转换运算符的示例定义, 请参见如何: 定义转换运算符.

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