Typing Composite Subjects

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Bibliographic Details
Main Authors:	Aceto, Luca, Gorla, Daniele, Lybech, Stian
Format:	Preprint
Published:	2024
Subjects:	Programming Languages
Online Access:	Acceder al recurso
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A Sound Type System for Secure Currency Flow
by: Aceto, Luca, et al.
Published: (2024)

Preventing Out-of-Gas Exceptions by Typing
by: Aceto, Luca, et al.
Published: (2024)

Denotational Semantics for Probabilistic and Concurrent Programs
by: Zilberstein, Noam, et al.
Published: (2025)

Algebra and coalgebra of stream products
by: Boreale, Michele, et al.
Published: (2021)

Compositional Symbolic Execution for the Next 700 Memory Models (Extended Version)
by: Lööw, Andreas, et al.
Published: (2025)

A Core Calculus for Type-safe Product Lines of C Programs
by: Damiani, Ferruccio, et al.
Published: (2026)

TypeDis: A Type System for Disentanglement
by: Moine, Alexandre, et al.
Published: (2025)

Local Type Inference for Context-Free Session Types
by: Almeida, Bernardo, et al.
Published: (2025)

Stream Types
by: Cutler, Joseph W., et al.
Published: (2023)

Efficient Selection of Type Annotations for Performance Improvement in Gradual Typing
by: Li, Senxi, et al.
Published: (2026)

Typed Non-determinism in Concurrent Calculi: The Eager Way
by: Heuvel, Bas van den, et al.
Published: (2024)

Modal Effect Types
by: Tang, Wenhao, et al.
Published: (2024)

Polymorphic Coverage Types
by: Zhou, Zhe, et al.
Published: (2023)

Abstraction Functions as Types
by: Grodin, Harrison, et al.
Published: (2025)

Typing Composable Coroutines
by: Gu, Qiqi, et al.
Published: (2023)

Gradual Sensitivity Typing
by: Arquez, Damian, et al.
Published: (2023)

Escape with Your Self: Sound and Expressive Bidirectional Typing with Avoidance for Reachability Types
by: Jia, Songlin, et al.
Published: (2024)

From Monolithic to Compositional: A Compositional Operational Semantics for Crystality
by: Xu, Ziyun, et al.
Published: (2026)

Compositional Symbolic Execution for Correctness and Incorrectness Reasoning (Extended Version)
by: Lööw, Andreas, et al.
Published: (2024)

$λ_A$: A Typed Lambda Calculus for LLM Agent Composition
by: Liu, Qin
Published: (2026)

Type Universes as Allocation Effects
by: Koronkevich, Paulette, et al.
Published: (2024)

Synchronous Programming with Refinement Types
by: Chen, Jiawei, et al.
Published: (2024)

Full Iso-recursive Types
by: Zhou, Litao, et al.
Published: (2024)

Contextual Metaprogramming for Session Types
by: Ângelo, Pedro, et al.
Published: (2026)

Navigating the Python Type Jungle
by: Nacu, Andrei, et al.
Published: (2025)

Set-theoretic Types for Erlang
by: Schimpf, Albert, et al.
Published: (2023)

Type-Based Incorrectness Reasoning
by: Zhou, Zhe, et al.
Published: (2025)

Compiling Gradual Types with Evidence
by: Romero, José Luis, et al.
Published: (2025)

Typing Strictness (Extended Version)
by: Sainati, Daniel, et al.
Published: (2025)

If-T: A Benchmark for Type Narrowing
by: Guo, Hanwen, et al.
Published: (2025)

Compositional Program Verification with Polynomial Functors in Dependent Type Theory
by: Aberlé, C. B.
Published: (2026)

Semantic-Type-Guided Bug Finding
by: Qian, Kelvin, et al.
Published: (2024)

Towards Quantum Multiparty Session Types
by: Lanese, Ivan, et al.
Published: (2024)

Dependent-Type-Preserving Memory Allocation
by: Koronkevich, Paulette, et al.
Published: (2025)

A Complementary Approach to Incorrectness Typing
by: Li, Celia Mengyue, et al.
Published: (2025)

The Design Principles of the Elixir Type System
by: Castagna, Giuseppe, et al.
Published: (2023)

First-Class Refinement Types for Scala
by: Bovel, Matt, et al.
Published: (2026)

Logical Relations for Session-Typed Concurrency
by: Balzer, Stephanie, et al.
Published: (2023)

Remarks on Algebraic Reconstruction of Types and Effects
by: Balik, Patrycja, et al.
Published: (2026)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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