Inital commit

utils/strings.go

@@ -0,0 +1,45 @@
+package utils
+
+import "strings"
+
+func Strip(s string) string {
+	var result strings.Builder
+	for i := 0; i < len(s); i++ {
+		b := s[i]
+		if ('a' <= b && b <= 'z') ||
+			('A' <= b && b <= 'Z') ||
+			('0' <= b && b <= '9') {
+			result.WriteByte(b)
+		}
+	}
+	return result.String()
+}
+
+func DedupeSlice[T comparable](sliceList []T) []T {
+	dedupeMap := make(map[T]struct{})
+	list := []T{}
+
+	for _, slice := range sliceList {
+		if _, exists := dedupeMap[slice]; !exists {
+			dedupeMap[slice] = struct{}{}
+			list = append(list, slice)
+		}
+	}
+
+	return list
+}
+
+func Check(e error) {
+	if e != nil {
+		panic(e)
+	}
+}
+
+func Filter[T any](ss []T, test func(T) bool) (ret []T) {
+	for _, s := range ss {
+		if test(s) {
+			ret = append(ret, s)
+		}
+	}
+	return
+}