Apr 15, 2016 · The empty default constructor like Widget() {}; is seen as a user defined default constructor, while Widget() = default; is not. This leads to default initialization in the former case, …

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- name: Create default user: name: "default_name" when: my_variable is not defined - name: Create custom user: name: "{{my_variable}}" when: my_variable is defined But as I mentioned, there's a lot …

Jan 6, 2010 · There's also {var-default} where default will be used only when var is undefined. If var is defined but null, default won't be used.

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Nov 27, 2012 · This is a completely different question when asking about constructors than destructors. If your destructor is virtual, then the difference is negligible, as Howard pointed out. However, if your …

Dec 5, 2012 · Is it possible to set default values for some struct member? I tried the following but, it'd cause syntax error: typedef struct { int flag = 3; } MyStruct; Errors: $ gcc -o testIt test.c test....

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Dec 11, 2010 · I see some code will return the default value, so I am wondering for a user defined class, how will the compiler define its default value?

Oct 23, 2015 · What is the difference in TypeScript between export and default export? In all the tutorials, I see people exporting their classes and I cannot compile my code if I don't add the default …