C# Lowering: The Compiler Magic Behind Your Code

C# compiler lowering is the step that turns high-level syntax into simpler operations.

It helps explain how features like iterators, using blocks, LINQ, and async/await work under the hood.

Older string interpolation could be slower than concatenation because it often lowered to String.Format.

Understanding lowering lets developers reason about performance and behavior based on how the compiler really works.