by value的意思|示意

What are pass by reference and pass by value?

什么是按参数传递和按值传递?

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The equality operator compares primitive strings, numbers, and Booleans by value.

相等运算符按值来比较基元字符串 、 数字和布尔值.

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For more information, see to: Force an Argument to Be Passed by Value.

有关更多信息, 请参见如何: 强制通过值传递参数.

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Generally we pass by value as a copy. So we cannot change them.

一般情况下,我们是传递变量值的一份拷贝, 因而无法改变变量的值.

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Oil, the world's most widely traded commodity by value, led the way.

以价值计,石油是世界上最广泛交易的商品, 领跌.

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By value, unless a pointer or reference type is passed.

按值传递, 除非使用指针或者引用.

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