Use std::negate{}

juntuu · juntuu · commit f23aa08d704b · 2021-03-17T03:05:48.000+02:00
diff --git a/jsrc/conversions.cpp b/jsrc/conversions.cpp
@@ -130,7 +130,7 @@ convert<bool, X>(J jt, array w, void *yv) -> bool {
 template <typename T>
 static auto
 inplace_negate(T *u, int64_t n) {
-    std::transform(u, u + n, u, [](auto v) { return -v; });
+    std::transform(u, u + n, u, std::negate{});
 }
 
 template <>

Original file line number	Diff line number	Diff line change
`@@ -130,7 +130,7 @@ convert<bool, X>(J jt, array w, void *yv) -> bool {`
`130`	`130`	`template <typename T>`
`131`	`131`	`static auto`
`132`	`132`	`inplace_negate(T *u, int64_t n) {`
`133`		`- std::transform(u, u + n, u, [](auto v) { return -v; });`
	`133`	`+ std::transform(u, u + n, u, std::negate{});`
`134`	`134`	`}`
`135`	`135`
`136`	`136`	`template <>`