S3-classes-as-S4-classes: S3 classes as S4 classes
Description
Some old-style (aka S3) classes are turned into formally defined (aka S4)
classes by the BiocGenerics package. This allows S4 methods defined in
Bioconductor packages to use them in their signatures.
Details
S3 classes currently turned into S4 classes:
- connection class and subclasses:
connection,
file, url, gzfile, bzfile, unz, pipe,
fifo, sockconn, terminal, textConnection,
gzcon.
Addtitionally the characterORconnection S4 class is defined as
the union of classes character and connection.
- others: AsIs, dist