Observer Pattern for S4 R package objectSignals version 0.10.3 A mutable Signal object can report changes to its state, clients could register functions so that they are called whenever the signal is emitted. The signal could be emitted, disconnected, blocked, unblocked, and buffered. Software Depends: R (>= 2.12) Imports: methods Michael Lawrence <michafla@gene.com> Comprehensive R Archive Network (CRAN) Michael Lawrence, Tengfei Yin GPL (>= 2) 2022-04-05 application/tgz https://CRAN.R-project.org/package=objectSignals doi:10.32614/CRAN.package.objectSignals