ipbits

package

v25.0.0-beta.2+incompa... Latest Latest Go to latest Published: Dec 12, 2023 License: Apache-2.0 Imports: 3 Imported by: 0

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Package ipbits contains utilities for manipulating netip.Addr values as numbers or bitfields.

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func Add(ip netip.Addr, x uint64, shift uint) netip.Addr

Add returns ip + (x << shift).

func Field(ip netip.Addr, u, v uint) uint64

Field returns the value of the bitfield [u, v] in ip as an integer, where bit 0 is the most-significant bit of ip.

The result is undefined if u > v, if v-u > 64, or if u or v is larger than ip.BitLen().

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