Upgrade to 0.12

1 files changed, 49 insertions, 0 deletions

diff --git a/vendor/github.com/google/go-cmp/cmp/internal/function/func.go b/vendor/github.com/google/go-cmp/cmp/internal/function/func.go
new file mode 100644
index 0000000..4c35ff1
--- /dev/null
+++ b/vendor/github.com/google/go-cmp/cmp/internal/function/func.go
@@ -0,0 +1,49 @@
+// Copyright 2017, The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE.md file.
+
+// Package function identifies function types.
+package function
+
+import "reflect"
+
+type funcType int
+
+const (
+        _ funcType = iota
+
+        ttbFunc // func(T, T) bool
+        tibFunc // func(T, I) bool
+        trFunc  // func(T) R
+
+        Equal           = ttbFunc // func(T, T) bool
+        EqualAssignable = tibFunc // func(T, I) bool; encapsulates func(T, T) bool
+        Transformer     = trFunc  // func(T) R
+        ValueFilter     = ttbFunc // func(T, T) bool
+        Less            = ttbFunc // func(T, T) bool
+)
+
+var boolType = reflect.TypeOf(true)
+
+// IsType reports whether the reflect.Type is of the specified function type.
+func IsType(t reflect.Type, ft funcType) bool {
+        if t == nil || t.Kind() != reflect.Func || t.IsVariadic() {
+                return false
+        }
+        ni, no := t.NumIn(), t.NumOut()
+        switch ft {
+        case ttbFunc: // func(T, T) bool
+                if ni == 2 && no == 1 && t.In(0) == t.In(1) && t.Out(0) == boolType {
+                        return true
+                }
+        case tibFunc: // func(T, I) bool
+                if ni == 2 && no == 1 && t.In(0).AssignableTo(t.In(1)) && t.Out(0) == boolType {
+                        return true
+                }
+        case trFunc: // func(T) R
+                if ni == 1 && no == 1 {
+                        return true
+                }
+        }
+        return false
+}