Swift Language Patterns Apply current Swift language syntax without changing behavior or evaluation order. Route deep decoding to , formatting to , naming to , concurrency to , and SwiftUI state/view work to . Contents - If/Switch Expressions - Typed Throws - Result Builders - Property Wrappers - Opaque and Existential Types - Guard Patterns - Never Type - Regex Builders - Codable Best Practices - Modern Collection APIs - FormatStyle - String Interpolation - Common Mistakes - Review Checklist - References If/Switch Expressions For modernization, pin current behavior and evaluation order, make…