diff --git a/vlib/compiler/enum.v b/vlib/compiler/enum.v
index 8765ea2284..0dea86b498 100644
--- a/vlib/compiler/enum.v
+++ b/vlib/compiler/enum.v
@@ -6,6 +6,12 @@ module compiler
 
 fn (p mut Parser) enum_decl(_enum_name string) {
 	mut enum_name := _enum_name
+	is_pub := p.tok == .key_pub
+	if is_pub {
+		p.next()
+		p.check(.key_enum)
+		enum_name = p.check_name()
+	}	
 	// Specify full type name
 	if !p.builtin_mod && p.mod != 'main' {
 		enum_name = p.prepend_mod(enum_name)
@@ -49,6 +55,7 @@ fn (p mut Parser) enum_decl(_enum_name string) {
 		parent: 'int'
 		cat: TypeCategory.enum_
 		enum_vals: fields.clone()
+		is_public: is_pub
 	})
 	p.check(.rcbr)
 	p.fgenln('\n')
diff --git a/vlib/compiler/parser.v b/vlib/compiler/parser.v
index 39b1f96a9f..b1850feb80 100644
--- a/vlib/compiler/parser.v
+++ b/vlib/compiler/parser.v
@@ -320,10 +320,12 @@ fn (p mut Parser) parse(pass Pass) {
 				p.fgen(' ')
 				p.enum_decl(name)
 			}
-			// enum without a name, only allowed in code, translated from C
-			// it's a very bad practice in C as well, but is used unfortunately (for example, by DOOM)
-			// such fields are basically int consts
 			else if p.pref.translated {
+				// enum without a name, only allowed in code,
+				// translated from C. it's a very bad practice
+				// in C as well, but is used unfortunately
+				// (for example, by DOOM). such fields are
+				// basically int consts
 				p.enum_decl('int')
 			}
 			else {
@@ -335,6 +337,7 @@ fn (p mut Parser) parse(pass Pass) {
 				.key_fn     {	p.fn_decl()     }
 				.key_const  {	p.const_decl()  }
 				.key_struct {	p.struct_decl() }
+				.key_enum   {	p.enum_decl('') }
 				else {
 					p.error('wrong pub keyword usage')
 				}
@@ -1101,7 +1104,7 @@ fn (p mut Parser) get_type() string {
 			}
 		}
 		else if !t.is_public && t.mod != p.mod && t.name != '' {
-			p.warn('type `$t.name` is private')
+			p.error('type `$t.name` is private')
 		}	
 	}
 	if typ == 'void' {
diff --git a/vlib/crypto/crypto.v b/vlib/crypto/crypto.v
index a86f86b3d9..4e58d40174 100644
--- a/vlib/crypto/crypto.v
+++ b/vlib/crypto/crypto.v
@@ -1,6 +1,6 @@
 module crypto
 
-enum Hash {
+pub enum Hash {
 	MD4
 	MD5
 	SHA1
diff --git a/vlib/gl/1shader.v b/vlib/gl/1shader.v
index 1ccf739163..eaec134394 100644
--- a/vlib/gl/1shader.v
+++ b/vlib/gl/1shader.v
@@ -10,7 +10,7 @@ import glm
 
 // import darwin
 
-struct Shader {
+pub struct Shader {
 	program_id int
 }
 
diff --git a/vlib/gl/gl.v b/vlib/gl/gl.v
index e2324ead15..b995c52d96 100644
--- a/vlib/gl/gl.v
+++ b/vlib/gl/gl.v
@@ -9,7 +9,7 @@ module gl
 #flag @VROOT/thirdparty/glad/glad.o
 
 // joe-c: fix & remove
-enum TmpGlImportHack{}
+pub enum TmpGlImportHack{}
 
 pub fn init_glad() {
 	ok := C.gladLoadGL()
diff --git a/vlib/gx/gx.v b/vlib/gx/gx.v
index de3992bf54..c97a7b3fed 100644
--- a/vlib/gx/gx.v
+++ b/vlib/gx/gx.v
@@ -4,14 +4,14 @@
 
 module gx
 
-struct Color {
+pub struct Color {
 pub:
 	r int
 	g int
 	b int
 }
 
-const (	
+pub const (	
 	// Primary colors
 	Blue   = Color { r: 0, g: 0, b: 255 }
 	Red    = Color { r: 255, g: 0, b: 0 }
diff --git a/vlib/net/urllib/urllib.v b/vlib/net/urllib/urllib.v
index f1e4b78b59..0e62de337f 100644
--- a/vlib/net/urllib/urllib.v
+++ b/vlib/net/urllib/urllib.v
@@ -305,7 +305,7 @@ fn escape(s string, mode EncodingMode) string {
 //
 // URL's String method uses the escaped_path method to obtain the path. See the
 // escaped_path method for more details.
-struct URL {
+pub struct URL {
 pub: mut:
 	scheme      string
 	opaque      string    // encoded opaque data
diff --git a/vlib/sync/sync_nix.v b/vlib/sync/sync_nix.v
index 13a6a5be74..46707bd8b0 100644
--- a/vlib/sync/sync_nix.v
+++ b/vlib/sync/sync_nix.v
@@ -5,7 +5,7 @@
 module sync
 
 #include <pthread.h>
-struct Mutex {
+pub struct Mutex {
 	mutex C.pthread_mutex_t
 }
 
diff --git a/vlib/sync/sync_win.v b/vlib/sync/sync_win.v
index 447d541ee9..be540803eb 100644
--- a/vlib/sync/sync_win.v
+++ b/vlib/sync/sync_win.v
@@ -7,7 +7,7 @@ module sync
 // Mutex HANDLE
 type MHANDLE voidptr
 
-struct Mutex {
+pub struct Mutex {
 mut:
 	mx           MHANDLE    // mutex handle
 	state        MutexState // mutex state
diff --git a/vlib/sync/waitgroup.v b/vlib/sync/waitgroup.v
index 5eca30507c..669401e4e7 100644
--- a/vlib/sync/waitgroup.v
+++ b/vlib/sync/waitgroup.v
@@ -4,7 +4,7 @@
 
 module sync
 
-struct WaitGroup {
+pub struct WaitGroup {
 mut:
 	mu Mutex
 	active int