== Conding Convention ==
Namespaces should be rooted from "hpc", and have at most 2 layers, which means, you can only
define one more layer under "hpc".
Files which contain contents under a sub namespace, should be put into a sub folder with the
same name as the sub namespace.
One file should contain only one class.
Private fields, variables should be named using camel convention, while class/struct/methods
should be named using Pascal convention.
File names should be in Pascal convention exception main.cpp, while folder names should be
in lower case.
Namespace description:
arguments: All data structures passed from head directly.
common: Anything which doesn't depend on anything outside of common, and possibly be used
by anything outside of common.
core: Core logic of node manager.
data: Core data structures used internally.
scripts: All shell scripts.
test: Unit test code.
utils: Utilities, which could be of general purpose, shouldn't couple with node manager
logic and concepts, and could be used by other projects.
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