Define a response that occurs when the first listed process finishes

Return a rule whose finishing time is the earliest completion among its arguments. Each argument must contain an event that can generate a response.

Usage

first_of(...)

Arguments

...

Accumulator labels, pool labels, or response expressions.

Value

An expression object.

Examples

first_of("A", "B")
#> $kind
#> [1] "or"
#> 
#> $args
#> $args[[1]]
#> $args[[1]]$kind
#> [1] "event"
#> 
#> $args[[1]]$source
#> [1] "A"
#> 
#> 
#> $args[[2]]
#> $args[[2]]$kind
#> [1] "event"
#> 
#> $args[[2]]$source
#> [1] "B"
#> 
#> 
#>