Maximum Priority Value

Returns the current maximum priority scalar in the queue.

Usage

max_priority(x)

Arguments

x

A priority_queue.

Value

Maximum priority value, or NULL when x is empty.

Details

Uses cached .pq_max monoid state.

Examples

q <- priority_queue("a", "b", priorities = c(2, 1))
max_priority(q)
#> [1] 2
max_priority(priority_queue())
#> NULL