Update Swift version

dingosky · dingosky · commit 32955d0112aa · 2018-03-29T11:57:16.000-07:00
diff --git a/.swift-version b/.swift-version
@@ -1 +1 @@
-3.1.1
+4.0.0
diff --git a/.travis.yml b/.travis.yml
@@ -14,7 +14,7 @@ matrix:
       sudo: required
       dist: trusty
       env:
-        - SWIFT_VERSIONS="3.1.1"
+        - SWIFT_VERSIONS="4.0.0"
         - SWIFTENV_ROOT="$HOME/.swiftenv"
         - PATH="$SWIFTENV_ROOT/bin:$SWIFTENV_ROOT/shims:$PATH"
 env:
