嵌套字典奇怪的行为
问题描述:
我想使地图数据嵌套字典奇怪的行为
代码:
class figures {
var maps : [NSDictionary]
init() {
self.maps = [
[
"map" : [
[ "x" : -0.5, "y" : -0.5]
],
"color" : UIColor.redColor()
],
[
"map" : [
[ "x" : 0, "y" : 0], [ "x" : 0, "y" : -1], [ "x" : -1, "y" : 0], [ "x" : -1, "y" : -1]
],
"color" : UIColor.blueColor()
],
[
"map" : [
[ "x" : 0, "y" : -0.5], [ "x" : -1, "y" : -0.5]
],
"color" : UIColor.yellowColor()
]
]
}
}
这段代码是有效的,但我想这本词典添加1个数字,如:
[
"map" : [
[ "x" : -1, "y" : -0.5], [ "x" : 0.5, "y" : -0.5], [ "x" : -0.5, "y" : -0.5]
],
"color" : UIColor.cyanColor()
]
,现在我得到了以下错误:
Could not find an overload for '-' that accepts the supplied arguments
但如果在最后的dict 0.5 -0.5替换为X它再次有效
[
"map" : [
[ "x" : -1, "y" : -0.5], [ "x" : 0.5, "y" : -0.5], [ "x" : 0.5, "y" : -0.5]
],
"color" : UIColor.cyanColor()
]
发生了什么事?任何人帮助
答
大型陈述这样一个迅速编译器已知问题。更好地构建您的阵列:
self.maps.append([
"map" : [
[ "x" : -0.5, "y" : -0.5]
],
"color" : UIColor.redColor()
])
self.maps.append([
"map" : [
[ "x" : 0, "y" : 0], [ "x" : 0, "y" : -1], [ "x" : -1, "y" : 0], [ "x" : -1, "y" : -1]
],
"color" : UIColor.blueColor()
])
...
+0
这没有帮助。即使我制作 var q = [“map”:[“x”:-1,“y”:-0.5], [“x”:0.5,“y”:-0.5], [ X”:-0.5, “Y”:-0.5] ], “颜色”:UIColor.cyanColor()] } 那抛出相同的错误 – 2014-10-28 14:10:55
请显示给出错误的代码,因为您描述的图可能会插入到许多位置。 – Kirsteins 2014-10-28 11:15:34
错误位于self.map声明 – 2014-10-28 14:12:37
显示您分配给'self.maps'的所有文字。 – Kirsteins 2014-10-28 14:16:48