terraform/vendor/github.com/zclconf/go-cty/cty/gocty/helpers.go

44 lines
1.0 KiB
Go

package gocty
import (
"math/big"
"reflect"
"github.com/zclconf/go-cty/cty"
"github.com/zclconf/go-cty/cty/set"
)
var valueType = reflect.TypeOf(cty.Value{})
var typeType = reflect.TypeOf(cty.Type{})
var setType = reflect.TypeOf(set.Set{})
var bigFloatType = reflect.TypeOf(big.Float{})
var bigIntType = reflect.TypeOf(big.Int{})
var emptyInterfaceType = reflect.TypeOf(interface{}(nil))
var stringType = reflect.TypeOf("")
// structTagIndices interrogates the fields of the given type (which must
// be a struct type, or we'll panic) and returns a map from the cty
// attribute names declared via struct tags to the indices of the
// fields holding those tags.
//
// This function will panic if two fields within the struct are tagged with
// the same cty attribute name.
func structTagIndices(st reflect.Type) map[string]int {
ct := st.NumField()
ret := make(map[string]int, ct)
for i := 0; i < ct; i++ {
field := st.Field(i)
attrName := field.Tag.Get("cty")
if attrName != "" {
ret[attrName] = i
}
}
return ret
}