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InvalidOperationException: Sequence contains no matching element System.Linq.Enumerable.First #35

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xpc-yx opened this issue Jul 18, 2023 · 4 comments
Open

InvalidOperationException: Sequence contains no matching element System.Linq.Enumerable.First #35

xpc-yx opened this issue Jul 18, 2023 · 4 comments
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@xpc-yx
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xpc-yx commented Jul 18, 2023

_mainGroupNameDic[shader].Keys.First
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xpc-yx commented Jul 18, 2023

InvalidOperationException: Sequence contains no matching element System.Linq.Enumerable.First[TSource] (System.Collections.Generic.IEnumerable1[T] source, System.Func2[T,TResult] predicate) (at <351e49e2a5bf4fd6beabb458ce2255f3>:0)

@xpc-yx xpc-yx changed the title nvalidOperationException: Sequence contains no matching element System.Linq.Enumerable.First[TSource] (System.Collections.Generic.IEnumerable1[T] source, System.Func2[T,TResult] predicate) (at <351e49e2a5bf4fd6beabb458ce2255f3>:0) InvalidOperationException: Sequence contains no matching element System.Linq.Enumerable.First Jul 18, 2023
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xpc-yx commented Jul 18, 2023

First调用会抛出异常

@JasonMa0012
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unity版本, 如何复现

@xpc-yx
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xpc-yx commented Jul 18, 2023

unity2020 3.42 切换材质时候有几率复现 改成FirstOrDefault 可以消除异常

@JasonMa0012 JasonMa0012 added the question Further information is requested label Jul 22, 2023
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@xpc-yx @JasonMa0012