Google’s C++ Style Guide provides guidelines and best practices for writing clean, consistent, and readable C++ code. In this blog post, we will focus on some common code formatting rules from the style guide.

1. Indentation

• Use 2 spaces for indentation. Avoid using tabs.

Example:

void myFunction() {
  if (condition) {
    // code goes here
  } else {
    // code goes here
  }
}

2. Line Length

• Limit lines to a maximum of 80 characters for better readability.

Example:

std::string longString = "This is a long string that should be split " +
                         "into multiple lines for better readability.";

3. Brace Placement

• Place opening braces on the same line as the declaration or control statement.
• Place closing braces on a new line, aligned vertically with the opening brace.

Example:

void myFunction() {
  if (condition) {
    // code goes here
  } else {
    // code goes here
  }
}

4. Variable Naming

• Use lowercase or lowercase_with_underscore for variable names.

Example:

int myVariable;
std::string my_string;

5. Commenting

• Use // for single line comments and /* … */ for multi-line comments.
• Write comments in English.

Example:

// This is a single line comment.

/*
 * This is a multi-line comment.
 * It can span multiple lines.
 */

6. Blank Lines

• Use blank lines between logical sections of code to improve readability.

Example:

void functionA() {
  // code goes here
}

void functionB() {
  // code goes here
}

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