Prints a compact summary with interval bounds and a head/tail preview of payload elements.
Usage
# S3 method for class 'interval_index'
print(x, max_elements = 4L, show_custom_monoids = FALSE, ...)Arguments
- x
An
interval_index.- max_elements
Maximum number of elements shown in the preview.
- show_custom_monoids
Logical; show attached non-default monoids and their root cached measures.
- ...
Passed through to per-element
print().
Examples
ix <- interval_index(
one = 1, two = 2, three = 3,
start = c(20, 30, 10), end = c(25, 37, 24)
)
print(ix, max_elements = 4)
#> Named interval_index with 3 elements, default query bounds [start, end).
#>
#> Elements (by interval start order):
#>
#> $three (interval 10 - 24)
#> [1] 3
#>
#> $one (interval 20 - 25)
#> [1] 1
#>
#> $two (interval 30 - 37)
#> [1] 2
#>
width_sum <- measure_monoid(
`+`, 0, function(entry) as.numeric(entry$end - entry$start)
)
ix3 <- add_monoids(
interval_index(1, 2, start = c(1, 3), end = c(2, 5)),
list(width_sum = width_sum)
)
print(ix3, max_elements = 0, show_custom_monoids = TRUE)
#> Unnamed interval_index with 2 elements, default query bounds [start, end).
#> Custom monoids + measures:
#> width_sum: 3 (aggregate)
ix2 <- interval_index(1, 2, 3, start = c(2, 4, 6), end = c(3, 5, 8), default_query_bounds = "[]")
print(ix2, max_elements = 3)
#> Unnamed interval_index with 3 elements, default query bounds [start, end].
#>
#> Elements (by interval start order):
#>
#> [[1]] (interval 2 - 3)
#> [1] 1
#>
#> [[2]] (interval 4 - 5)
#> [1] 2
#>
#> [[3]] (interval 6 - 8)
#> [1] 3
#>
print(interval_index())
#> Unnamed interval_index with 0 elements, default query bounds [start, end).