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General Guidelines

In general, you can expect these rules to be the same across different languages

Indents are 4 spaces each
Curly braces will follow K&R style, meaning that the curly brace is on the same line, not newline

C Coding Standards

Functions with no parameters should have void as a parameter

int no_param_function(void) {
    int some_variable = 0;
    return 0;
}

C++ Coding Standards

Variable and function names should use camelCase
Class names should be prefixed with a “C”. The associated file should be prefixed with a “c_”.
Namespaces should be prefixed with a “N”. The associated file should be prefixed with a “n_”.

Public member functions should be capitalized

namespace Foo {
class Bar {
public:
  void Baz();

protected:
  void dead();   
private:
  void beef();
}
}

Python Coding Standards

Golang Coding Standards