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a5_cell() now requires hex strings to be exactly 16
characters, preventing silent construction of wrong cells from truncated
input.a5_cell
representation and Arrow integration.a5_cell internal representation now uses 8 parallel raw
byte vectors instead of hex strings, reducing memory from ~80 bytes/cell
to 8 bytes/cell (#12).a5_cell gains vec_proxy_compare() and
vec_proxy_order() methods, enabling sort(),
order(), unique(), duplicated(),
match(), and %in% (#12).a5_cell gains an is.na() method
(#12).a5_cell_from_arrow() and
a5_cell_to_arrow() for lossless conversion between
a5_cell and Arrow uint64 arrays, enabling
zero-copy Parquet I/O (#12).a5_u64_to_hex() and a5_hex_to_u64()
for explicit conversion between a5_cell vectors and hex
strings.a5_is_cell() has been renamed to
a5_is_valid() and now accepts both a5_cell
vectors and character hex strings.a5_cell_distance() and a5_cell_area() gain
a units = NULL option to return plain numeric vectors
without units class overhead.vignette("internal-cell-representation")
and vignette("arrow-parquet").These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.