| | 1 | = Nested Functions = |
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| | 2 | |
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| | 3 | ''Part of'' TutorialFundamentals |
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| | 4 | |
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| | 5 | == Description == |
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| | 6 | |
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| | 7 | Nested functions allows you to structure functions in a clever way if that's how your mind works. |
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| | 8 | |
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| | 9 | == Example == |
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| | 10 | |
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| | 11 | {{{ |
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| | 12 | #!d |
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| | 13 | import std.stdio; |
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| | 14 | |
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| | 15 | int main(char[][] Args) { |
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| | 16 | int i; |
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| | 17 | |
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| | 18 | void runIt() { |
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| | 19 | /* This is a nested function. You can make use of variables declared in the outer |
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| | 20 | function, but each has to be declared above the location of the nested function |
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| | 21 | if you use it.*/ |
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| | 22 | |
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| | 23 | writef("%d\tdo something\t", i); |
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| | 24 | } |
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| | 25 | |
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| | 26 | bool found; |
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| | 27 | while (!found) { |
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| | 28 | if(i == 0) { |
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| | 29 | writef("not found\t"); |
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| | 30 | runIt(); |
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| | 31 | return 0; |
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| | 32 | } |
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| | 33 | found = true; |
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| | 34 | } |
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| | 35 | return 0; |
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| | 36 | } |
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| | 37 | }}} |
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| | 38 | |
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| | 39 | == Testing == |
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| | 40 | |
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| | 41 | Tested using Digital Mars D Compiler v1.026 on Windows 2000. |
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| | 42 | |
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| | 43 | |
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| | 44 | == More Information == |
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| | 45 | |
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| | 46 | See also the [http://www.digitalmars.com/d/1.0/function.html#nested D Specification]. |
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