初始版本

convx/convx.go

@@ -0,0 +1,43 @@
+package convx
+
+import (
+	"encoding/json"
+	"strconv"
+)
+
+func Int(v any) int {
+	return int(Int64(v))
+}
+
+func Int64(v any) int64 {
+	switch n := v.(type) {
+	case int:
+		return int64(n)
+	case int64:
+		return n
+	case float64:
+		return int64(n)
+	case json.Number:
+		i, _ := n.Int64()
+		return i
+	case string:
+		i, _ := strconv.ParseInt(n, 10, 64)
+		return i
+	default:
+		return 0
+	}
+}
+
+func ValueOrZero(v, invalid int) int {
+	if v == invalid {
+		return 0
+	}
+	return v
+}
+
+func Ternary[T any](cond bool, yes, no T) T {
+	if cond {
+		return yes
+	}
+	return no
+}