简化代码

Eric Wu · Eric Wu · commit 04924ab6c859 · 2019-11-19T14:48:10.000+08:00
diff --git a/CRBoostSwift/Classes/Foundation+CRBoost.swift b/CRBoostSwift/Classes/Foundation+CRBoost.swift
@@ -265,7 +265,7 @@ extension String {
     }
 
     public var floatValue: Float {
-        return Float(self) ?? 0
+        return Float(doubleValue)
     }
 
     public var intValue: Int {
