From 8260255d53b95c9355d91f06fb919ee5c580ae55 Mon Sep 17 00:00:00 2001
From: PhilipDeegan <philip.deegan@gmail.com>
Date: Sun, 29 Sep 2024 19:32:58 +0200
Subject: [PATCH] env var as type

---
 .gitignore          |  1 +
 inc/mkn/kul/env.hpp | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/.gitignore b/.gitignore
index 34d04f5..ef5af5b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 bin
 .mkn
+.clangd
diff --git a/inc/mkn/kul/env.hpp b/inc/mkn/kul/env.hpp
index dc3308c..6d66a9e 100644
--- a/inc/mkn/kul/env.hpp
+++ b/inc/mkn/kul/env.hpp
@@ -33,6 +33,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "mkn/kul/string.hpp"
 
+#include <string>
+#include <sstream>
+
 #if KUL_IS_WIN
 #include "mkn/kul/os/win/env.hpp"
 #else
@@ -43,6 +46,18 @@ namespace mkn {
 namespace kul {
 namespace env {
 
+template <typename T>
+auto GET_AS(std::string const& s, T const& def) {
+  if (EXISTS(s.c_str())) {
+    T t;
+    std::stringstream ss(GET(s.c_str()));
+    if (ss.fail()) KTHROW(Exception);
+    ss >> t;
+    return t;
+  }
+  return def;
+}
+
 class Var {
  public:
   enum Mode { APPE = 0, PREP, REPL };