您最多选择25个主题 主题必须以中文或者字母或数字开头,可以包含连字符 (-),并且长度不得超过35个字符
 
 
 
 
 
 

89 行
2.4 KiB

using System;
using System.Collections.Generic;
using UnityEngine;
using Object = UnityEngine.Object;
namespace Unity.UIWidgets.foundation {
public delegate void ValueChanged<T>(T value);
public delegate IEnumerable<T> EnumerableFilter<T>(IEnumerable<T> input);
public static class ObjectUtils {
public static T SafeDestroy<T>(T obj) where T : Object {
if (Application.isEditor) {
Object.DestroyImmediate(obj);
} else {
Object.Destroy(obj);
}
return null;
}
}
public static class CollectionUtils {
public static V putIfAbsent<K, V>(this IDictionary<K, V> it, K key, Func<V> ifAbsent) {
V value;
if (it.TryGetValue(key, out value)) {
return value;
}
value = ifAbsent();
it[key] = value;
return value;
}
public static bool isEmpty<T>(this ICollection<T> it) {
return it.Count == 0;
}
public static bool isNotEmpty<T>(this ICollection<T> it) {
return it.Count != 0;
}
public static bool isEmpty<T>(this Queue<T> it) {
return it.Count == 0;
}
public static bool isNotEmpty<T>(this Queue<T> it) {
return it.Count != 0;
}
public static bool isEmpty<TKey, TValue>(this IDictionary<TKey, TValue> it) {
return it.Count == 0;
}
public static bool isNotEmpty<TKey, TValue>(this IDictionary<TKey, TValue> it) {
return it.Count != 0;
}
public static bool isEmpty(this string it) {
return string.IsNullOrEmpty(it);
}
public static bool isNotEmpty(this string it) {
return !string.IsNullOrEmpty(it);
}
public static TValue getOrDefault<TKey, TValue>(this IDictionary<TKey, TValue> it, TKey key) {
TValue v;
it.TryGetValue(key, out v);
return v;
}
public static T first<T>(this IList<T> it) {
return it[0];
}
public static T last<T>(this IList<T> it) {
return it[it.Count - 1];
}
public static T removeLast<T>(this IList<T> it)
{
var lastIndex = it.Count - 1;
var result = it[lastIndex];
it.RemoveAt(lastIndex);
return result;
}
}
}