An example of a widening conversion is converting a value that is a 32-bit signed integer to a value that is a 64-bit signed integer.
扩展转换的一个例子是将32位有符号整数值转换为64位有符号整数值。
An example of a widening conversion is converting a value that is a 32-bit signed integer to a value that is a 64-bit signed integer.
扩展转换的一个例子是将32位有符号整数值转换为64位有符号整数值。
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