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Both sides previous revision Previous revision Next revision | Previous revision | ||
terralib:convencaoprograma [2008/04/02 11:50] laercio |
terralib:convencaoprograma [2008/04/02 16:22] (current) laercio |
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* Do not define enumerations using macros or integer constants | * Do not define enumerations using macros or integer constants | ||
* Declare enumerations within a namespace or class | * Declare enumerations within a namespace or class | ||
+ | |||
===== Example ===== | ===== Example ===== | ||
<code cpp> | <code cpp> | ||
- | typedef std::pair<TeLine, double> lineLength; | + | typedef std::pair<TeLine, double> TeLineLength; |
- | typedef std::vector<lineLength> lineSizes; | + | typedef std::vector<lineLength> TeLineSizes; |
enum TeSelectionMode | enum TeSelectionMode | ||
Line 55: | Line 56: | ||
} | } | ||
</code> | </code> | ||
+ | |||
====== Escopo ====== | ====== Escopo ====== | ||
* Declare for-loop iteration variables inside of for statements | * Declare for-loop iteration variables inside of for statements | ||
+ | ===== Example ===== | ||
+ | <code cpp> | ||
+ | for (int i = 0; i < 10; i++) | ||
+ | </code> | ||
Line 125: | Line 130: | ||
} | } | ||
</code> | </code> | ||
+ | |||
Line 131: | Line 137: | ||
* Use C++ casting operators instead of C-style casts. Ex:<code cpp> | * Use C++ casting operators instead of C-style casts. Ex:<code cpp> | ||
- | short a=2000; | + | short a = 2000; |
int b; | int b; | ||
b = (int) a; // c-like cast notation - Ok only for fundamental data types | b = (int) a; // c-like cast notation - Ok only for fundamental data types | ||
- | double d=3.14159265; | + | double d = 3.14159265; |
int i = static_cast<int>(d); // No need for this cast | int i = static_cast<int>(d); // No need for this cast | ||
</code> | </code> |