prefixLengthFromMask
prefixLengthFromMask(
mask):number
Defined in: packages/net-address/src/prefix/mask.ts:71
How many leading ones a netmask has.
Parameters
Section titled “Parameters”Returns
Section titled “Returns”number
Throws
Section titled “Throws”RangeError When the mask is not contiguous — 255.0.255.0 names no
prefix length, and rounding it to one would silently widen an ACL.