constexpr std::array

wusatosi · wusatosi · commit 0f704ef87095 · 2024-11-20T11:53:47.000-05:00
diff --git a/README.md b/README.md
@@ -42,9 +42,8 @@ template <int Capacity> inplace_vector<int, Capacity> fibonacci_to(int num) {
 
   inplace_vector<int, Capacity> vec;
 
+  constexpr static std::array<int, 2> first_two{0, 1};
   for (auto i = 0; i <= num; ++i) {
-    static std::array<int, 2> first_two = {0, 1};
-
     auto new_val = i < 2 ? first_two[i] : vec[i - 1] + vec[i - 2];
     vec.push_back(new_val);
   }
diff --git a/examples/fibonacci.cpp b/examples/fibonacci.cpp
@@ -15,9 +15,8 @@ template <int Capacity> inplace_vector<int, Capacity> fibonacci_to(int num) {
 
   inplace_vector<int, Capacity> vec;
 
+  constexpr static std::array<int, 2> first_two{0, 1};
   for (auto i = 0; i <= num; ++i) {
-    static std::array<int, 2> first_two = {0, 1};
-
     auto new_val = i < 2 ? first_two[i] : vec[i - 1] + vec[i - 2];
     vec.push_back(new_val);
   }

Original file line number	Diff line number	Diff line change
`@@ -42,9 +42,8 @@ template <int Capacity> inplace_vector<int, Capacity> fibonacci_to(int num) {`
`42`	`42`
`43`	`43`	`inplace_vector<int, Capacity> vec;`
`44`	`44`
	`45`	`+ constexpr static std::array<int, 2> first_two{0, 1};`
`45`	`46`	`for (auto i = 0; i <= num; ++i) {`
`46`		`- static std::array<int, 2> first_two = {0, 1};`
`47`		`-`
`48`	`47`	`auto new_val = i < 2 ? first_two[i] : vec[i - 1] + vec[i - 2];`
`49`	`48`	`vec.push_back(new_val);`
`50`	`49`	`}`
Original file line number	Diff line number	Diff line change
`@@ -15,9 +15,8 @@ template <int Capacity> inplace_vector<int, Capacity> fibonacci_to(int num) {`
`15`	`15`
`16`	`16`	`inplace_vector<int, Capacity> vec;`
`17`	`17`
	`18`	`+ constexpr static std::array<int, 2> first_two{0, 1};`
`18`	`19`	`for (auto i = 0; i <= num; ++i) {`
`19`		`- static std::array<int, 2> first_two = {0, 1};`
`20`		`-`
`21`	`20`	`auto new_val = i < 2 ? first_two[i] : vec[i - 1] + vec[i - 2];`
`22`	`21`	`vec.push_back(new_val);`
`23`	`22`	`}`