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-rw-r--r--nihil.util/CMakeLists.txt1
-rw-r--r--nihil.util/construct.ccm21
-rw-r--r--nihil.util/nihil.util.ccm1
3 files changed, 23 insertions, 0 deletions
diff --git a/nihil.util/CMakeLists.txt b/nihil.util/CMakeLists.txt
index 109e4d4..2fb5111 100644
--- a/nihil.util/CMakeLists.txt
+++ b/nihil.util/CMakeLists.txt
@@ -12,6 +12,7 @@ target_sources(nihil.util
nihil.util.ccm
capture_stream.ccm
+ construct.ccm
ctype.ccm
parse_size.ccm
next_word.ccm
diff --git a/nihil.util/construct.ccm b/nihil.util/construct.ccm
new file mode 100644
index 0000000..0a0d85d
--- /dev/null
+++ b/nihil.util/construct.ccm
@@ -0,0 +1,21 @@
+// This source code is released into the public domain.
+export module nihil.util:construct;
+
+import nihil.std;
+
+namespace nihil {
+
+// A functor that constructs objects of an arbitrary type.
+// Useful for std::views::transform.
+template <typename T>
+struct construct_fn {
+ auto operator()(this construct_fn const &, auto &&...args) -> T
+ {
+ return T(std::forward<decltype(args)>(args)...);
+ }
+};
+
+export template<typename T>
+inline constexpr auto construct = construct_fn<T>{};
+
+}
diff --git a/nihil.util/nihil.util.ccm b/nihil.util/nihil.util.ccm
index d8628a4..132978e 100644
--- a/nihil.util/nihil.util.ccm
+++ b/nihil.util/nihil.util.ccm
@@ -2,6 +2,7 @@
export module nihil.util;
export import :capture_stream;
+export import :construct;
export import :ctype;
export import :parse_size;
export import :next_word;