Hands-on guide to Swift closures - syntax, shorthand forms, trailing closures, capturing values, escaping and autoclosures with practical examples.

Practical guide to Swift functions - declarations, parameters, return types, inout, overloading, function types and higher-order functions with clear examples.

Practical explanation of scheduler behaviour and thread-safety when using RxSwift Subjects, with examples and safe patterns for updating subjects from multiple threads.

Practical guide to Swift control flow - for-in, while, repeat-while, if-else, switch, guard, break and continue with clear examples and common patterns.

Explore Swift’s primary collection types—arrays, sets, and dictionaries—with practical, copy-friendly examples for creation, access, modification, iteration and set operations.

Practical guide to Swift strings and characters - literals, mutability, interpolation, Unicode and grapheme clusters, indexing, substrings, and comparison techniques with copy-friendly examples.

A concise, example-driven guide to Swift operators - assignment, arithmetic, comparison, logical, range, ternary and nil‑coalescing operators. Great for beginners and developers refreshing core lan...