add ops

build.sbt

@@ -1,8 +1,9 @@
 name := "paths"
-v"1.5.1"
+v"1.6.0"
 dep(
   case_app,
   commons.io,
+  hammerlab.types % "1.4.0",
   slf4j
 )
 testDeps := Seq(

project/build.properties

@@ -1 +1 @@
-sbt.version=1.1.5
+sbt.version=1.2.3

project/plugins.sbt

@@ -1 +1 @@
-addSbtPlugin("org.hammerlab.sbt" % "base" % "4.5.1")
+addSbtPlugin("org.hammerlab.sbt" % "base" % "4.6.5")

src/main/scala/org/hammerlab/paths/HasPathOps.scala

@@ -1,17 +1,34 @@
 package org.hammerlab.paths
 
+import java.io.FileNotFoundException
+
+import hammerlab.either._
+import hammerlab.str._
+
 trait HasPathOps {
   implicit val makePathSymbolOps = HasPathOps.PathSymbolOps _
   implicit val makePathStringOps = HasPathOps.PathStringOps _
+  implicit val makePathOps = HasPathOps.PathOps _
 }
 
 object HasPathOps {
   implicit class PathSymbolOps(val s: Symbol) extends AnyVal {
-    def /(t: String): Path = Path(s.name) / t
-    def /(t: Symbol): Path = Path(s.name) / t
+    def / (t: Str): Path = Path(s.name) / t
   }
   implicit class PathStringOps(val s: String) extends AnyVal {
-    def /(t: String): Path = Path(s) / t
-    def /(t: Symbol): Path = Path(s) / t
+    def / (t: Str): Path = Path(s) / t
+  }
+  implicit class PathOps(val dir: Path) extends AnyVal {
+    def ?(basename: Str): FileNotFoundException | Path = {
+      val path = dir / basename
+      if (!path.exists)
+        Left(
+          new FileNotFoundException(
+            path.toString
+          )
+        )
+      else
+        Right(path)
+    }
   }
 }