Rename TomlTree to Tree (#159)

Avoid stutter.

Fixes #55

marshal.go

@@ -10,14 +10,14 @@ import (
 )
 
 /*
-TomlTree structural types and corresponding marshal types
+Tree structural types and corresponding marshal types
 -------------------------------------------------------------------------------
-*TomlTree                        (*)struct, (*)map[string]interface{}
-[]*TomlTree                      (*)[](*)struct, (*)[](*)map[string]interface{}
+*Tree                        (*)struct, (*)map[string]interface{}
+[]*Tree                      (*)[](*)struct, (*)[](*)map[string]interface{}
 []interface{} (as interface{})   (*)[]primitive, (*)[]([]interface{})
 interface{}                      (*)primitive
 
-TomlTree primitive types and  corresponding marshal types
+Tree primitive types and  corresponding marshal types
 -----------------------------------------------------------
 uint64     uint, uint8-uint64, pointers to same
 int64      int, int8-uint64, pointers to same
@@ -36,7 +36,7 @@ type tomlOpts struct {
 var timeType = reflect.TypeOf(time.Time{})
 var marshalerType = reflect.TypeOf(new(Marshaler)).Elem()
 
-// Check if the given marshall type maps to a TomlTree primitive
+// Check if the given marshall type maps to a Tree primitive
 func isPrimitive(mtype reflect.Type) bool {
 	switch mtype.Kind() {
 	case reflect.Ptr:
@@ -58,7 +58,7 @@ func isPrimitive(mtype reflect.Type) bool {
 	}
 }
 
-// Check if the given marshall type maps to a TomlTree slice
+// Check if the given marshall type maps to a Tree slice
 func isTreeSlice(mtype reflect.Type) bool {
 	switch mtype.Kind() {
 	case reflect.Slice:
@@ -68,7 +68,7 @@ func isTreeSlice(mtype reflect.Type) bool {
 	}
 }
 
-// Check if the given marshall type maps to a non-TomlTree slice
+// Check if the given marshall type maps to a non-Tree slice
 func isOtherSlice(mtype reflect.Type) bool {
 	switch mtype.Kind() {
 	case reflect.Ptr:
@@ -80,7 +80,7 @@ func isOtherSlice(mtype reflect.Type) bool {
 	}
 }
 
-// Check if the given marshall type maps to a TomlTree
+// Check if the given marshall type maps to a Tree
 func isTree(mtype reflect.Type) bool {
 	switch mtype.Kind() {
 	case reflect.Map:
@@ -134,11 +134,11 @@ func Marshal(v interface{}) ([]byte, error) {
 }
 
 // Convert given marshal struct or map value to toml tree
-func valueToTree(mtype reflect.Type, mval reflect.Value) (*TomlTree, error) {
+func valueToTree(mtype reflect.Type, mval reflect.Value) (*Tree, error) {
 	if mtype.Kind() == reflect.Ptr {
 		return valueToTree(mtype.Elem(), mval.Elem())
 	}
-	tval := newTomlTree()
+	tval := newTree()
 	switch mtype.Kind() {
 	case reflect.Struct:
 		for i := 0; i < mtype.NumField(); i++ {
@@ -166,8 +166,8 @@ func valueToTree(mtype reflect.Type, mval reflect.Value) (*TomlTree, error) {
 }
 
 // Convert given marshal slice to slice of Toml trees
-func valueToTreeSlice(mtype reflect.Type, mval reflect.Value) ([]*TomlTree, error) {
-	tval := make([]*TomlTree, mval.Len(), mval.Len())
+func valueToTreeSlice(mtype reflect.Type, mval reflect.Value) ([]*Tree, error) {
+	tval := make([]*Tree, mval.Len(), mval.Len())
 	for i := 0; i < mval.Len(); i++ {
 		val, err := valueToTree(mtype.Elem(), mval.Index(i))
 		if err != nil {
@@ -225,10 +225,10 @@ func valueToToml(mtype reflect.Type, mval reflect.Value) (interface{}, error) {
 	}
 }
 
-// Unmarshal attempts to unmarshal the TomlTree into a Go struct pointed by v.
+// Unmarshal attempts to unmarshal the Tree into a Go struct pointed by v.
 // Neither Unmarshaler interfaces nor UnmarshalTOML functions are supported for
 // sub-structs, and only definite types can be unmarshaled.
-func (t *TomlTree) Unmarshal(v interface{}) error {
+func (t *Tree) Unmarshal(v interface{}) error {
 	mtype := reflect.TypeOf(v)
 	if mtype.Kind() != reflect.Ptr || mtype.Elem().Kind() != reflect.Struct {
 		return errors.New("Only a pointer to struct can be unmarshaled from TOML")
@@ -256,7 +256,7 @@ func Unmarshal(data []byte, v interface{}) error {
 }
 
 // Convert toml tree to marshal struct or map, using marshal type
-func valueFromTree(mtype reflect.Type, tval *TomlTree) (reflect.Value, error) {
+func valueFromTree(mtype reflect.Type, tval *Tree) (reflect.Value, error) {
 	if mtype.Kind() == reflect.Ptr {
 		return unwrapPointer(mtype, tval)
 	}
@@ -295,7 +295,7 @@ func valueFromTree(mtype reflect.Type, tval *TomlTree) (reflect.Value, error) {
 }
 
 // Convert toml value to marshal struct/map slice, using marshal type
-func valueFromTreeSlice(mtype reflect.Type, tval []*TomlTree) (reflect.Value, error) {
+func valueFromTreeSlice(mtype reflect.Type, tval []*Tree) (reflect.Value, error) {
 	mval := reflect.MakeSlice(mtype, len(tval), len(tval))
 	for i := 0; i < len(tval); i++ {
 		val, err := valueFromTree(mtype.Elem(), tval[i])
@@ -327,9 +327,9 @@ func valueFromToml(mtype reflect.Type, tval interface{}) (reflect.Value, error)
 	}
 	switch {
 	case isTree(mtype):
-		return valueFromTree(mtype, tval.(*TomlTree))
+		return valueFromTree(mtype, tval.(*Tree))
 	case isTreeSlice(mtype):
-		return valueFromTreeSlice(mtype, tval.([]*TomlTree))
+		return valueFromTreeSlice(mtype, tval.([]*Tree))
 	case isOtherSlice(mtype):
 		return valueFromOtherSlice(mtype, tval.([]interface{}))
 	default: