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jlview: Zero-Copy Julia to R Array Bridge via ALTREP

Provides zero-copy R views of Julia-owned arrays by implementing ALTREP (Alternative Representations) classes that return pointers directly into Julia's memory. The package integrates with 'JuliaCall' and uses C-level finalizers for safe cross-runtime garbage collection.

Version: 0.1.0
Depends: R (≥ 4.0.0)
Imports: JuliaCall, Matrix, methods
Suggests: knitr, rmarkdown, testthat (≥ 3.0.0)
Published: 2026-03-23
DOI: 10.32614/CRAN.package.jlview
Author: Aviezer Lifshitz ORCID iD [aut, cre], Weizmann Institute of Science [cph]
Maintainer: Aviezer Lifshitz <aviezer.lifshitz at weizmann.ac.il>
BugReports: https://github.com/tanaylab/jlview/issues
License: MIT + file LICENSE
URL: https://github.com/tanaylab/jlview
NeedsCompilation: yes
SystemRequirements: Julia (>= 1.6, https://julialang.org/downloads/)
Language: en-US
Materials: README, NEWS
CRAN checks: jlview results

Documentation:

Reference manual: jlview.html , jlview.pdf
Vignettes: Zero-Copy Julia Arrays in R with jlview (source, R code)

Downloads:

Package source: jlview_0.1.0.tar.gz
Windows binaries: r-devel: jlview_0.1.0.zip, r-release: not available, r-oldrel: not available
macOS binaries: r-release (arm64): jlview_0.1.0.tgz, r-oldrel (arm64): not available, r-release (x86_64): jlview_0.1.0.tgz, r-oldrel (x86_64): jlview_0.1.0.tgz

Linking:

Please use the canonical form https://CRAN.R-project.org/package=jlview to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.