Make mirai Promise

Creates a 'promise' from a 'mirai'. S3 method for promises::as.promise().

Usage

# S3 method for class 'mirai'
as.promise(x)

Arguments

x

(mirai) object to convert to promise.

Value

A 'promise' object.

Details

Allows a 'mirai' to be used with the promise pipe %...>%, scheduling a function to run upon resolution.

Requires the promises package.

Examples

if (FALSE) { # interactive() && requireNamespace("promises", quietly = TRUE)
library(promises)

p <- as.promise(mirai("example"))
print(p)
is.promise(p)

p2 <- mirai("completed") %...>% identity()
p2$then(cat)
is.promise(p2)
}