Lexical Scope
Explore lexical scope in Dart to understand how variable visibility is determined by code blocks. Learn about nested scopes, shadowing variables, and how this concept helps create modular, maintainable functions without naming conflicts.
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 ...