detail::copyFile() implementation.
sorters::merge_sorter_detail::Visitor integration with detail::copyFile().
detail: appendFile() and concatenate() implementation.
sorters::merge_sorter_detail::Visitor::finish() optimization.
detail: MemoryMap implementation + integration with FileMemoryMap.
detail::MemoryMap arbitrary offset support.
detail::FileMemoryMap: map() -> mapPart(), mapFull().
detail::radix integration with detail::FileMemoryMap's changes.
detail::FileMemoryMap::map() implementation.
detail::radix refactoring.
detail: radix::{readFrom,writeTo}{Map,File}() -> io::{readFrom,writeTo}{Map,File}().
isSorted() improvement: error position return implementation.
sorters::BlockSorter draft.