Scheme Requests for Implementation (SRFIs) for R6RS
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A basic framework for SRFIs made into R6RS libraries.  The libraries' names
conform to SRFI 97: SRFI Libraries.  There is a registry of available SRFIs (and
other platform features) which works alongside SRFI 0: Feature-Based Conditional
Expansion.  The porting done so far is mostly just taking the reference
implementations from http://srfi.schemers.org and wrapping them in libraries and
tweaking the few things needed to make them work in R6RS libraries and with
implementations' functionality.  Supporting any R6RS implementation supporting
the *.IMPL.sls convention is easy.  The ports and the framework started as just
an exercise in using R6RS.  If you have other ideas, let's see if we can
collaborate.

These SRFIs are available:
  (srfi :0 cond-expand)
  (srfi :1 lists)
  (srfi :2 and-let*)
  (srfi :6 basic-string-ports)
  (srfi :8 receive)
  (srfi :9 records)
  (srfi :11 let-values)
  (srfi :13 strings)
  (srfi :14 char-sets)
  (srfi :16 case-lambda)
  (srfi :19 time)
  (srfi :23 error)
  (srfi :26 cut)
  (srfi :27 random-bits)
  (srfi :31 rec)
  (srfi :37 args-fold)
  (srfi :38 with-shared-structure)
  (srfi :39 parameters)
  (srfi :41 streams)
  (srfi :42 eager-comprehensions)
  (srfi :43 vectors)
  (srfi :48 intermediate-format-strings)
  (srfi :61 cond)
  (srfi :67 compare-procedures)
  (srfi :78 lightweight-testing)

Currently, only Ikarus and Ypsilon can use these libraries.  PLT Scheme has its
own "srfi" directory which conflicts with having another "srfi" directory.
Larceny does not (yet?) support the *.IMPL.sls convention.
  
For the latest development version, go to:

  https://code.launchpad.net/~ikarus-libraries-team/ikarus-libraries/srfi

If you already have ported SRFIs to R6RS, we'd love to assimilate them.  You
can let us know by "asking a question" at the Ikarus Libraries project page:

  https://launchpad.net/ikarus-libraries

Bug Reporting:
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Submit bug reports at:

  https://bugs.launchpad.net/ikarus-libraries/+filebug