Make "transform" constexpr

Andreas Buhr · tzlaine · commit d241bd7853c2 · 2025-10-12T21:15:14.000-05:00
diff --git a/include/boost/parser/parser.hpp b/include/boost/parser/parser.hpp
@@ -6569,7 +6569,7 @@ namespace boost { namespace parser {
     /** Returns a `transform_directive` that uses invocable `F` to do its
         work. */
     template<typename F>
-    auto transform(F f)
+    constexpr auto transform(F f)
     {
         return transform_directive<F>{std::move(f)};
     }

Original file line number	Diff line number	Diff line change
`@@ -6569,7 +6569,7 @@ namespace boost { namespace parser {`
`6569`	`6569`	/** Returns a `transform_directive` that uses invocable `F` to do its
`6570`	`6570`	`work. */`
`6571`	`6571`	`template<typename F>`
`6572`		`- auto transform(F f)`
	`6572`	`+ constexpr auto transform(F f)`
`6573`	`6573`	`{`
`6574`	`6574`	`return transform_directive<F>{std::move(f)};`
`6575`	`6575`	`}`