foreach-ext: foreach extension functions

In foreach: Provides Foreach Looping Construct

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 class 'iforeach'
accumulate(obj, result, tag, ...)

## S3 method for class 'iforeach'
getResult(obj, ...)

## S3 method for class 'iforeach'
getErrorValue(obj, ...)

## S3 method for class 'iforeach'
getErrorIndex(obj, ...)

## S3 method for class 'ixforeach'
accumulate(obj, result, tag, ...)

## S3 method for class 'ixforeach'
getResult(obj, ...)

## S3 method for class 'ixforeach'
getErrorValue(obj, ...)

## S3 method for class 'ixforeach'
getErrorIndex(obj, ...)

## S3 method for class 'ifilteredforeach'
accumulate(obj, result, tag, ...)

## S3 method for class 'ifilteredforeach'
getResult(obj, ...)

## S3 method for class 'ifilteredforeach'
getErrorValue(obj, ...)

## S3 method for class '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.

Note

These functions are likely to change in future versions of the foreach package. When they become more stable, they will be documented.

foreach documentation built on Feb. 2, 2022, 5:09 p.m.