Content and list view enhancement in cppguide.html #821
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Fixes #806
Changes
Added ordered list for major headings of Goals of the Style Guide
Content added for the heading "Scoping".
Scope in programming refers to the visibility and accessibility of variables, functions, and other identifiers within a program. It plays a crucial role in preventing naming conflicts by limiting the visibility of identifiers to specific regions of code, such as within a function, block, or namespace.
Global scope refers to identifiers accessible throughout the entire program, while local scope refers to identifiers accessible only within a specific block or function. Nested scopes occur when one scope is contained within another, allowing identifiers declared in an outer scope to be accessed by inner scopes, but not vice versa.
Understanding scoping rules is essential for writing maintainable and error-free code, as it helps prevent unintended side effects and promotes modular design.