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util.go
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/
util.go
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package bengal
import "math"
func unique(arr []string) []string {
uniqueTokens := make(map[string]struct{})
for _, v := range arr {
if _, ok := uniqueTokens[v]; !ok {
uniqueTokens[v] = struct{}{}
}
}
keys := make([]string, len(uniqueTokens))
i := 0
for token := range uniqueTokens {
keys[i] = token
i++
}
return keys
}
func flatten2d(mat [][]string) []string {
var ret []string
for _, r := range mat {
ret = append(ret, r...)
}
return ret
}
func contains(arr []string, search string) bool {
for _, v := range arr {
if v == search {
return true
}
}
return false
}
func argmax(m map[string]float64) string {
bestArg := ""
bestVal := math.Inf(-1)
for k, v := range m {
if v > bestVal {
bestArg = k
bestVal = v
}
}
return bestArg
}