add a check for the minimal go version (1.8)

2 files changed, 15 insertions, 0 deletions

diff --git a/vendor/github.com/theckman/goconstraint/go1.8/gte/constraint.go b/vendor/github.com/theckman/goconstraint/go1.8/gte/constraint.go
new file mode 100644
index 00000000..24c248d6
--- /dev/null
+++ b/vendor/github.com/theckman/goconstraint/go1.8/gte/constraint.go
@@ -0,0 +1,8 @@
+// The contents of this file has been released in to the Public Domain.
+
+// Package gtego18 should only be used as a blank import. If imported, it
+// will only compile if the Go runtime version is >= 1.8.
+package gtego18
+
+// This will fail to compile if the Go runtime version isn't >= 1.8.
+var _ = __SOFTWARE_REQUIRES_GO_VERSION_1_8__
diff --git a/vendor/github.com/theckman/goconstraint/go1.8/gte/go18.go b/vendor/github.com/theckman/goconstraint/go1.8/gte/go18.go
new file mode 100644
index 00000000..777fea4d
--- /dev/null
+++ b/vendor/github.com/theckman/goconstraint/go1.8/gte/go18.go
@@ -0,0 +1,7 @@
+// The contents of this file has been released in to the Public Domain.
+
+// +build go1.8
+
+package gtego18
+
+const __SOFTWARE_REQUIRES_GO_VERSION_1_8__ = uint8(0)