is.promise: Coerce to a promise

Description Usage Arguments Value

View source: R/promise.R

Description

Use is.promise to determine whether an R object is a promise. Use as.promise (an S3 generic method) to attempt to coerce an R object to a promise. This package includes support for converting future::Future objects into promises.

Usage

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Arguments

x

An R object to test or coerce.

Value

as.promise returns a promise object, or throws an error if the object cannot be converted.

is.promise returns TRUE if the given value is a promise object, and FALSE otherwise.

is.promising returns TRUE if the given value is a promise object or if it can be converted to a promise object using as.promise, and FALSE otherwise.


promises documentation built on Feb. 12, 2021, 1:06 a.m.