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This shows you the differences between two versions of the page.
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cs-142:reference-parameters [2015/10/12 17:06] kseppi created |
cs-142:reference-parameters [2015/10/13 14:31] (current) kseppi |
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| Line 16: | Line 16: | ||
| } | } | ||
| - | // reference paramenters allow us to change the value of something | + | // reference parameters allow us to change the value of something |
| // passed to us. But the "normal function" approach is preferred. | // passed to us. But the "normal function" approach is preferred. | ||
| void foo3(int &x) { | void foo3(int &x) { | ||
| Line 22: | Line 22: | ||
| } | } | ||
| - | // We can use reference paramentes to get more than one value back | + | // We can use reference parameters to get more than one value back |
| // to the caller. There are other ways to solve this problem, but | // to the caller. There are other ways to solve this problem, but | ||
| - | // this approach is use. Probabaly not great if you are trying to | + | // this approach is use. Probably not great if you are trying to |
| // get 23 values back. More on that latter. | // get 23 values back. More on that latter. | ||
| void return_more_than_one_thing(int in1, int in2, int &out1, int &out2) { | void return_more_than_one_thing(int in1, int in2, int &out1, int &out2) { | ||
| Line 41: | Line 41: | ||
| // another use of references is to return values and to use | // another use of references is to return values and to use | ||
| // the return only for returning the status of the operation. | // the return only for returning the status of the operation. | ||
| - | int divide(double dividend, double divisor, double quotient) { | + | int divide(double dividend, double divisor, double "ient) { |
| if (divisor == 0){ | if (divisor == 0){ | ||
| return 0; | return 0; | ||
