foreach (version 1.5.1)

foreach-ext: foreach extension functions

Description

These functions are used to write parallel backends for the foreach package. They should not be used from normal scripts or packages that use the foreach package.

Usage

makeAccum(it)
accumulate(obj, result, tag, ...)
getResult(obj, ...)
getErrorValue(obj, ...)
getErrorIndex(obj, ...)
# S3 method for iforeach
accumulate(obj, result, tag, ...)
# S3 method for iforeach
getResult(obj, ...)
# S3 method for iforeach
getErrorValue(obj, ...)
# S3 method for iforeach
getErrorIndex(obj, ...)
# S3 method for ixforeach
accumulate(obj, result, tag, ...)
# S3 method for ixforeach
getResult(obj, ...)
# S3 method for ixforeach
getErrorValue(obj, ...)
# S3 method for ixforeach
getErrorIndex(obj, ...)
# S3 method for ifilteredforeach
accumulate(obj, result, tag, ...)
# S3 method for ifilteredforeach
getResult(obj, ...)
# S3 method for ifilteredforeach
getErrorValue(obj, ...)
# S3 method for ifilteredforeach
getErrorIndex(obj, ...)
getexports(ex, e, env, good = character(0), bad = character(0))

Arguments

it

foreach iterator.

obj

foreach iterator object.

result

task result to accumulate.

tag

tag of task result to accumulate.

...

unused.

ex

call object to analyze.

e

local environment of the call object.

env

exported environment in which call object will be evaluated.

good

names of symbols that are being exported.

bad

names of symbols that are not being exported.