Comparison table: D, C++, C.

d_cpp_c.md

language	D	C++	C
domain	application, system	application, system	application, system
latest standard	D2	ISO C11, C14, (C17)	ISO C11
standard library	phobos	e.g. GNU libstdc++	e.g. GNU libc
design by contract	builtin	framework (e.g. nana, contract_light), compiler Digital Mars (owner is creator of D)	framework (e.g. nana, contract_light), compiler Digital Mars (owner is creator of D)
syntax	C-like (similar to Java, easier, more readable and less error prone)	C++	C
unittesting	builtin support or framework	framework (e.g. gtest, catch)	framework (e.g. see C++ framework)
mocking	framework (e.g. DMock-revised)	framework (e.g. FakeIt)	framework (e.g. see C++ framework)
typing	static	static	static
language binding	(limited C++ application binary interface compatibility), C application binary interface	C	-
programming paradigms	imperative, structured, object oriented, generic, functional	imperative, structured, procedural, functional, OO,	imperative, structured, procedural
memory management	garbage collection (automatic) with possibility for allocator/deallocator overriding (dynamic/manual), memory safe SafeD subset which avoids memory curruption at all	dynamic/manual, automatic with framework (e.g. bdwgc	dynamic/manual, automatic with framework (e.g. bdwgc)