one_line
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one_line [2018/09/19 15:01] supergnu created |
one_line [2018/09/19 17:27] (current) supergnu |
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| A really handy way to write condensate and yet easily readable code in C is using one line if when doing only simple operation in the if. \\ | A really handy way to write condensate and yet easily readable code in C is using one line if when doing only simple operation in the if. \\ | ||
| + | There' | ||
| <WRAP center round tip 60%> | <WRAP center round tip 60%> | ||
| It is absolutely not recommended to use this syntax everywhere but when only incrementing a variable for example, it is great. | It is absolutely not recommended to use this syntax everywhere but when only incrementing a variable for example, it is great. | ||
| </ | </ | ||
| - | Two syntax exists one with an integrated else: | + | The ternary operator: |
| <code c> | <code c> | ||
| - | (CONDITION) ? TRUE: FALSE; | + | VARIABLE = (CONDITION) ? VALUE_TRUE: VALUE_FALSE; |
| </ | </ | ||
| <code c syntax1.c> | <code c syntax1.c> | ||
| + | Variable = (Captor > Threshold) ? ValueIfTrue : ValueIfFalse; | ||
| + | </ | ||
| + | A variation of this use case when using increment and decrement operators. | ||
| + | <code c syntax2.c> | ||
| (Variable > Threshold) ? Variable-- : Variable++; | (Variable > Threshold) ? Variable-- : Variable++; | ||
| </ | </ | ||
| - | And a simple if, | + | The compact If syntax : |
| <code c> | <code c> | ||
| if (CONDITION) TRUE; | if (CONDITION) TRUE; | ||
| </ | </ | ||
| - | <code c syntax2.c> | + | <code c syntax3.c> |
| if (Variable < 0) Variable = 0; | if (Variable < 0) Variable = 0; | ||
| </ | </ | ||
one_line.1537362119.txt.gz ยท Last modified: 2018/09/19 15:01 by supergnu
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