github.com/evanw/esbuild@v0.21.4/internal/helpers/hash.go (about)

     1  package helpers
     2  
     3  // From: http://boost.sourceforge.net/doc/html/boost/hash_combine.html
     4  func HashCombine(seed uint32, hash uint32) uint32 {
     5  	return seed ^ (hash + 0x9e3779b9 + (seed << 6) + (seed >> 2))
     6  }
     7  
     8  func HashCombineString(seed uint32, text string) uint32 {
     9  	seed = HashCombine(seed, uint32(len(text)))
    10  	for _, c := range text {
    11  		seed = HashCombine(seed, uint32(c))
    12  	}
    13  	return seed
    14  }