TODO.md

Update README after extending functionality!

• Public interface
  • Open a file, close in the destructor
  • safe_open -> std::optional
  • Output
    • Variadic io::print
    • io::println
    • ::print and ::println
    • io::flush and ::flush
  • Input
    • Unsafe
      • io::input<T = std::string, Ts...>(String auto prompt = "")
      • Variadic io::read<Ts...>() -> std::tuple<Ts...>
      • io::read<T> -> T
      • io::readln -> std::string
      • ::read<Ts...>
      • ::readln
    • Safe
      • io::safe_input
      • io::safe_read<Ts...>() -> std::optional<std::tuple<Ts...>>
      • io::safe_read<T> -> std::optional<T>
      • io::safe_readln -> std::optional<std::string>
      • ::safe_read<Ts...>
      • ::safe_readln
    • Echoless read from stdin
    • [?] Public skip_ws (for user-defined types)
    • Verify char/string, else nullopt (for user-defined types)
    • [?] Logging errors to stderr
    • [?] read_until(pred)
    • [?] maybe_read(pred) -> std::optional
  • Iterators
    • write_iter (working title)
    • read_iter (working title)
    • Verify with std::ranges::{input_range, output_range}
  • Concepts
    • Writable
    • Readable
• write
  • char
  • bool
  • Strings
    • char const*
    • std::string
    • std::string_view
  • Integral types
    • std::integral
    • dec wrapper (for char)
    • bin wrapper -> 0b00...
    • oct wrapper -> 0o00...
    • hex wrapper -> 0x00...
  • Floating types
  • Pointers
    • T*
    • std::unique_ptr
    • std::shared_ptr
  • Sequence containers
    • T[]
    • std::array
    • std::vector
    • std::deque
    • std::forward_list
    • std::list
  • Sets
    • std::set
    • std::multiset
    • std::unordered_set
    • std::unordered_multiset
  • Maps
    • std::map
    • std::multimap
    • std::unordered_map
    • std::unordered_multimap
  • Other STL types
    • std::optional
    • std::tuple -> (a0, a1)
  • User-defined types
• impl::read
  • Entire file
  • char
  • bool
  • std::string
  • Integral types
    • std::integral
    • dec wrapper (for char)
    • bin wrapper -> 0b00...
    • oct wrapper -> 0o00...
    • hex wrapper -> 0x00...
  • Floating types
  • Pointers (T*)
  • Sequence containers
    • std::vector
    • std::deque
    • std::forward_list
    • std::list
  • Sets
    • std::set
    • std::multiset
    • std::unordered_set
    • std::unordered_multiset
  • Maps
    • std::map
    • std::multimap
    • std::unordered_map
    • std::unordered_multimap
  • Other STL types
    • std::optional
    • std::tuple
  • User-defined types
• Improvements
  • Modularize cleario when GCC gets module support
  • Print quotation marks around strings inside containers
  • Read quotation marks around strings inside containers
  • Add noexcept specifiers for performance
  • [?] Use {fmt} for printing (compile-time format strings > variadic print)
  • print/write to take simple types by value (concept conflicts?)
  • README warning about using echoless with multithreading (stream may stay echoless)
  • Make read methods const
  • Investigate MSVC deprecation of fopen (check other functions?)
  • Disambiguate read and impl::read (like print and write)?
  • Fix write<optional<tuple>> etc. (declaration order)