Files
rippled/src/ripple/basics
Joe Loser 06d0ff6e52 Remove conditional check for using Boost.Process:
- Since we require a min Boost version of 1.67 as of recently (for
  Beast), we also remove the conditional checks that existed for us
  to know whether Boost.Process is available or not. We can
  always assume it is available now.
- Remove runtime checks for minimum Boost and OpenSSL versions
  since they are checked at CMake configure time.
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Basics

Utility functions and classes.

ripple/basic should contain no dependencies on other modules.

Choosing a rippled container.

  • std::vector

    • For ordered containers with most insertions or erases at the end.
  • std::deque

    • For ordered containers with most insertions or erases at the start or end.
  • std::list

    • For ordered containers with inserts and erases to the middle.
    • For containers with iterators stable over insert and erase.
    • Generally slower and bigger than std::vector or std::deque except for those cases.
  • std::set

    • For sorted containers.
  • ripple::hash_set

    • Where inserts and contains need to be O(1).
    • For "small" sets, std::set might be faster and smaller.
  • ripple::hardened_hash_set

The following container is deprecated

  • std::unordered_set
  • Use ripple::hash_set instead, which uses a better hashing algorithm.
  • Or use ripple::hardened_hash_set to prevent algorithmic complexity attacks.