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diff --git a/source/_posts/language/cpp/sfinae.md b/source/_posts/language/cpp/sfinae.md
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+---
+title: C++中的SFINAE
+date: 2024-07-11 21:00:00
+tags:
+categories:
+description: 
+---
+
+# Substitution Failure Is Not An Error
+
+## 模板的特化（非必须）
+
+
+## SFINAE的基本原理
+
+**核心思想：**当编译器在模板实例化过程中尝试替换模板参数时，如果替换失败，编译器不会报错而是尝试其他可能的重载，只有当所有可能的重载全部都失败时，编译器才会报错。
+
+
diff --git a/source/_posts/language/valarray.md b/source/_posts/language/cpp/valarray.md
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