diff --git a/11_structs/access_structs.v b/11_structs/access_structs.v
new file mode 100644
index 0000000..2a47912
--- /dev/null
+++ b/11_structs/access_structs.v
@@ -0,0 +1,16 @@
+struct Foo{
+		a int
+	mut:
+		b int
+		c int
+	pub:
+		d int
+	pub mut:
+		e int
+	__global:
+		f int
+}
+
+pub fn main(){
+	println("OI")
+}
\ No newline at end of file
diff --git a/11_structs/anonymous.v b/11_structs/anonymous.v
new file mode 100644
index 0000000..153b9d9
--- /dev/null
+++ b/11_structs/anonymous.v
@@ -0,0 +1,17 @@
+struct Book{
+	author struct {
+		name string
+		age int
+	}
+
+	title string
+}
+
+
+pub fn main(){
+	book := Book{author: struct{name: 'Samantha Black', age: 23}, title: 'Livro'}
+
+	assert book.author.name == 'Samantha Black'
+	assert book.author.age == 23
+	assert book.title == 'Livro'
+}
\ No newline at end of file
diff --git a/11_structs/static_types.v b/11_structs/static_types.v
new file mode 100644
index 0000000..bb4c1c2
--- /dev/null
+++ b/11_structs/static_types.v
@@ -0,0 +1,11 @@
+
+struct User{}
+
+fn User.new() User{
+	return User{}
+}
+
+pub fn main(){
+	user := User.new()
+	println(user)
+}
\ No newline at end of file
diff --git a/11_structs/trailing_structs.v b/11_structs/trailing_structs.v
new file mode 100644
index 0000000..3650246
--- /dev/null
+++ b/11_structs/trailing_structs.v
@@ -0,0 +1,26 @@
+@[params]
+struct ButtonConfig{
+	text string = 'oi'
+	is_disabled bool
+	width int  = 70
+	height int //= 20
+}
+
+struct Button{
+	text string
+	width int
+	height int
+}
+
+fn new_button(c ButtonConfig) &Button{
+	return &Button{
+		width:  c.width
+		height: c.height
+		text:   c.text
+	}
+}
+
+pub fn main(){
+	button := new_button()
+	assert button.height == 0
+}
\ No newline at end of file
diff --git a/11_structs/update_struct.v b/11_structs/update_struct.v
new file mode 100644
index 0000000..88383de
--- /dev/null
+++ b/11_structs/update_struct.v
@@ -0,0 +1,22 @@
+struct User{
+	name string
+	age int
+	is_registered bool
+}
+
+fn register(u User) User{
+	return User{
+		...u
+		is_registered: true
+	}
+}
+
+pub fn main(){
+	mut user := User{
+		name: 'abc'
+		age: 23
+	}
+
+	user = register(user)
+	println(user)
+}
\ No newline at end of file