Headline parser setup

src/utils/fp.nim

@@ -0,0 +1,20 @@
+import std/sugar
+import fp/maybe
+
+proc findMaybe*[T](xs: seq[T], fn: T -> bool): Maybe[T] =
+  for x in xs:
+    if fn(x):
+      return Just(x)
+  return Nothing[T]()
+
+proc findMaybeFn*[T, B](fns: seq[T {.nimcall.} -> Maybe[B]], val: T): Maybe[B] =
+  for fn in fns:
+    let res = fn(val)
+    if res.isDefined():
+      return res
+  return Nothing[B]()
+
+when isMainModule:
+  echo @[
+  (x: int) => (if x == 2: Just("foo") else: Nothing[string]()),
+  ].findMaybeFn(2)