Why do hash functions use xor to combine multiple values?

mbauman · February 9, 2024, 4:33pm

The common idiom I see and like here is to also hash the type itself. E.g.,


      
          hash(t::T, h::UInt) where {T<:Union{HTML,Text}} = hash(T, hash(t.content, h))

Topic		Replies	Views
Why must the second argument of `hash` come from another hash function? General Usage question , hash	5	268	January 15, 2025
Why does my hash function return a different value to the built in hash function? General Usage	7	743	March 16, 2022
About the low quality of Base.hash() General Usage question , hash	8	453	April 4, 2025
Use of hash code in integer hashing Internals & Design	3	765	June 2, 2022
Structural hash collisions Internals & Design	5	212	February 6, 2025