const math/bits.m3 5 uses math/bits (current package) bits.go#L107: const m3 = 0x00ff00ff00ff00ff // etc. bits.go#L279: x = x>>8&(m3&m) | x&(m3&m)<<8 bits.go#L288: x = x>>8&(m3&m) | x&(m3&m)<<8
The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)