1 files changed, 107 insertions, 0 deletions

diff --git a/vendor/github.com/zclconf/go-cty/cty/function/stdlib/general.go b/vendor/github.com/zclconf/go-cty/cty/function/stdlib/general.go
new file mode 100644
index 0000000..6b31f26
--- /dev/null
+++ b/vendor/github.com/zclconf/go-cty/cty/function/stdlib/general.go
@@ -0,0 +1,107 @@
+package stdlib
+
+import (
+        "fmt"
+
+        "github.com/zclconf/go-cty/cty"
+        "github.com/zclconf/go-cty/cty/convert"
+        "github.com/zclconf/go-cty/cty/function"
+)
+
+var EqualFunc = function.New(&function.Spec{
+        Params: []function.Parameter{
+                {
+                        Name:             "a",
+                        Type:             cty.DynamicPseudoType,
+                        AllowUnknown:     true,
+                        AllowDynamicType: true,
+                        AllowNull:        true,
+                },
+                {
+                        Name:             "b",
+                        Type:             cty.DynamicPseudoType,
+                        AllowUnknown:     true,
+                        AllowDynamicType: true,
+                        AllowNull:        true,
+                },
+        },
+        Type: function.StaticReturnType(cty.Bool),
+        Impl: func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
+                return args[0].Equals(args[1]), nil
+        },
+})
+
+var NotEqualFunc = function.New(&function.Spec{
+        Params: []function.Parameter{
+                {
+                        Name:             "a",
+                        Type:             cty.DynamicPseudoType,
+                        AllowUnknown:     true,
+                        AllowDynamicType: true,
+                        AllowNull:        true,
+                },
+                {
+                        Name:             "b",
+                        Type:             cty.DynamicPseudoType,
+                        AllowUnknown:     true,
+                        AllowDynamicType: true,
+                        AllowNull:        true,
+                },
+        },
+        Type: function.StaticReturnType(cty.Bool),
+        Impl: func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
+                return args[0].Equals(args[1]).Not(), nil
+        },
+})
+
+var CoalesceFunc = function.New(&function.Spec{
+        Params: []function.Parameter{},
+        VarParam: &function.Parameter{
+                Name:             "vals",
+                Type:             cty.DynamicPseudoType,
+                AllowUnknown:     true,
+                AllowDynamicType: true,
+                AllowNull:        true,
+        },
+        Type: func(args []cty.Value) (ret cty.Type, err error) {
+                argTypes := make([]cty.Type, len(args))
+                for i, val := range args {
+                        argTypes[i] = val.Type()
+                }
+                retType, _ := convert.UnifyUnsafe(argTypes)
+                if retType == cty.NilType {
+                        return cty.NilType, fmt.Errorf("all arguments must have the same type")
+                }
+                return retType, nil
+        },
+        Impl: func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
+                for _, argVal := range args {
+                        if !argVal.IsKnown() {
+                                return cty.UnknownVal(retType), nil
+                        }
+                        if argVal.IsNull() {
+                                continue
+                        }
+
+                        return convert.Convert(argVal, retType)
+                }
+                return cty.NilVal, fmt.Errorf("no non-null arguments")
+        },
+})
+
+// Equal determines whether the two given values are equal, returning a
+// bool value.
+func Equal(a cty.Value, b cty.Value) (cty.Value, error) {
+        return EqualFunc.Call([]cty.Value{a, b})
+}
+
+// NotEqual is the opposite of Equal.
+func NotEqual(a cty.Value, b cty.Value) (cty.Value, error) {
+        return NotEqualFunc.Call([]cty.Value{a, b})
+}
+
+// Coalesce returns the first of the given arguments that is not null. If
+// all arguments are null, an error is produced.
+func Coalesce(vals ...cty.Value) (cty.Value, error) {
+        return CoalesceFunc.Call(vals)
+}