Why is a forward declaration not enough even if the data type is never used
1473
When can I use a forward declaration?
90783
When to use pointers in C#/.NET?
32976
Why cast unused return values to void?
29948
How to forward declare a template class in namespace std?
156654
Using window function to carry forward first non-null value in a partition
91999
C++: Why pass-by-value is generally more efficient than pass-by-reference for built-in (i.e., C-like) types
52362
Why does C++ require a cast for malloc() but C doesn't?
8153
What is a raw type and why shouldn't we use it?
112854
Does Python have class prototypes (or forward declarations)?
23148
Under automatic reference counting, why are retain, release, and dealloc not allowed?
36203
Why isn't ArrayList marked [Obsolete]?
98168
What is the advantage of using forwarding references in range-based for loops?
84590
Why do I get a "variable might not have been initialized" compiler error in my switch block?
5890
Is uninitialized data behavior well specified?
144887
Why does the use of 'new' cause memory leaks?
101296
Are forward declarations supported in MATLAB?
17720
Why is the "f" required when declaring floats?