Lexical Scope
Explore the concept of lexical scope in Dart, where variable access is determined by code structure. Understand how nested functions inherit outer variables and how shadowing allows inner variables to safely override outer ones. This lesson helps you write modular, clear, and error-free Dart functions by mastering scope rules.
We'll cover the following...
We'll cover the following...
Lexical scope defines the region of our code where a specific variable can be accessed. Dart is a lexically scoped language. This means the scope of a variable is determined statically by the physical layout of the code.
When we define a variable inside a block of code, it is only visible from within that specific block. Code outside of that block cannot see or manipulate the variable.
Visibility and nested scopes
Each set ...