initial commit

+ Lots of code copied from ek, so didn't have to start from scratch, but
  might mean there are some quirks here and there that made sense in ek
  but not necessarily here.

1 files changed, 48 insertions, 0 deletions

diff --git a/lib/fwdlib.hpp b/lib/fwdlib.hpp
new file mode 100644
index 0000000..0462c52
--- /dev/null
+++ b/lib/fwdlib.hpp
@@ -0,0 +1,48 @@
+#ifndef FWDLIB_HPP
+#define FWDLIB_HPP
+
+#include <string>
+#include <optional>
+#include <iostream>
+#include <unordered_map>
+#include <unordered_set>
+
+using namespace std;
+
+static inline void fwd_getline(auto next)
+{
+	if (cin.eof())
+		next(optional<string>{});
+
+	if (string line; getline(cin, line))
+		next(optional<string>{line});
+	else
+		next(optional<string>{});
+}
+
+static void fwd_foreach(auto container, auto next)
+{
+	for (auto &n : container)
+		next(n);
+}
+
+static void fwd_some(auto option, auto ok, auto fail)
+{
+	if (option)
+		ok(std::move(option.value()));
+	else
+		fail();
+}
+
+static void fwd_insert(auto container, auto elem, auto next)
+{
+	container.insert(std::move(elem));
+	next(std::move(container));
+}
+
+static void fwd_println(auto elem)
+{
+	cout << elem << endl;
+}
+
+#endif /* FWDLIB_HPP */