Create a view (subset) of a shared vector — shared_view • shard

Create a view (subset) of a shared vector

Usage

shared_view(x, start, length)

Arguments

x: A shard ALTREP vector
start: Start index (1-based, like R)
length: Number of elements

Value

An ALTREP view into the same shared memory

Examples

# \donttest{
seg <- segment_create(800)
segment_write(seg, 1:100, offset = 0)
x <- shared_vector(seg, "integer", length = 100)

y <- shared_view(x, start = 10, length = 11)
y[1]
#> [1] 10
#> attr(,"shard_cow")
#> [1] "deny"
#> attr(,"shard_readonly")
#> [1] TRUE
# }