Fast and memory-efficient immutable collections and helper data structures

map performance immutable avl-tree functional-programming dictionary effects value-semantics persistent data-structures hashmap lock-free hashtable memory-efficient sum-types open-addressing compare-and-swap 2-3-tree reference-semantics robinhood-hashmap

• Updated Oct 23, 2026
• C#

A Class for Working with Time Series Data Based on 'data.table' and 'R6' with Largely Optional Reference Semantics (Development Version)

cran class r-package reference-semantics time-series-data

• Updated Sep 13, 2026
• R

Lets you pass anything using reference semantics without the danger of unsafe pointers

swift danger pointer type-safety pointers reference-semantics pointers-and-references safe-pointers swift-pointers

• Updated Apr 5, 2020
• Swift

My generic doubly linked list in an Xcode 9 playground and written in Swift 4.

swift node linked-list datastructures xcode protocol traversal class traversing-graphs traverse object-oriented-programming doubly-linked-list traversable-nodes protocol-oriented-programming swift4 xcode9 reference-semantics reference-types

• Updated Oct 4, 2018
• Swift

Development-only independent reference semantics for MLTL over finite words and lassos, used to cross-check tl-mltl and tl-rewrite.

rust temporal-logic differential-testing reference-semantics mltl agent-ix tl-family

• Updated Nov 8, 2026
• Rust