Creates a closure that checks for HDF5 path existence with result caching
to improve performance for repeated checks.
Usage
CreateCachedExistsChecker()
Value
A function with signature function(group, path) that checks
if path exists in group, using a cache to avoid repeated
HDF5 calls.
Examples
if (FALSE) { # \dontrun{
safe_exists <- CreateCachedExistsChecker()
if (safe_exists(h5_group, "data/matrix")) {
# path exists
}
} # }