field: add Kind() method

README.md

@@ -98,6 +98,9 @@ value := name.Value().(string)
 // Set the field's value
 name.Set("another gopher")
 
+// Get the field's kind, kind =>  "string"
+name.Kind()
+
 // Check if the field is exported or not
 if name.IsExported() {
 	fmt.Println("Name field is exported")

field.go

@@ -54,6 +54,11 @@ func (f *Field) Name() string {
 	return f.field.Name
 }
 
+// Kind returns the fields kind, such as "string", "map", "bool", etc ..
+func (f *Field) Kind() reflect.Kind {
+	return f.value.Kind()
+}
+
 // Set sets the field to given value v. It retuns an error if the field is not
 // settable (not addresable or not exported) or if the given value's type
 // doesn't match the fields type.

field_test.go

@@ -1,6 +1,9 @@
 package structs
 
-import "testing"
+import (
+	"reflect"
+	"testing"
+)
 
 // A test struct that defines all cases
 type Foo struct {
@@ -109,6 +112,26 @@ func TestField(t *testing.T) {
 	_ = s.Field("no-field")
 }
 
+func TestField_Kind(t *testing.T) {
+	s := newStruct()
+
+	f := s.Field("A")
+	if f.Kind() != reflect.String {
+		t.Errorf("Field A has wrong kind: %s want: %s", f.Kind(), reflect.String)
+	}
+
+	f = s.Field("B")
+	if f.Kind() != reflect.Int {
+		t.Errorf("Field B has wrong kind: %s want: %s", f.Kind(), reflect.Int)
+	}
+
+	// unexported
+	f = s.Field("d")
+	if f.Kind() != reflect.String {
+		t.Errorf("Field d has wrong kind: %s want: %s", f.Kind(), reflect.String)
+	}
+}
+
 func TestField_Tag(t *testing.T) {
 	s := newStruct()