diff --git a/src/core/mod.rs b/src/core/mod.rs
index cd8bb2d5..8fd20ac7 100644
--- a/src/core/mod.rs
+++ b/src/core/mod.rs
@@ -1,3 +1,3 @@
-pub mod network;
+mod network;
 pub mod requests;
 pub mod types;
diff --git a/src/core/network/mod.rs b/src/core/network/mod.rs
index c1d5eba0..da42bd36 100644
--- a/src/core/network/mod.rs
+++ b/src/core/network/mod.rs
@@ -1,17 +1,16 @@
+use apply::Apply;
 use futures::compat::Future01CompatExt;
+use reqwest::r#async::{multipart::Form, Client};
 use serde::de::DeserializeOwned;
 use serde_json::Value;
-use reqwest::{
-    r#async::{Client, multipart::Form},
-    StatusCode,
-};
-use apply::Apply;
 
+use crate::core::requests::{RequestError, ResponseResult};
 
 const TELEGRAM_API_URL: &str = "https://api.telegram.org";
 
-
-/// Create url for macking requests, see [telegram docs](https://core.telegram.org/bots/api#making-requests)
+/// Creates URL for making HTTPS requests. See the [Telegram documentation].
+///
+/// [Telegram documentation]: https://core.telegram.org/bots/api#making-requests
 fn method_url(base: &str, token: &str, method_name: &str) -> String {
     format!(
         "{url}/bot{token}/{method}",
@@ -21,7 +20,9 @@ fn method_url(base: &str, token: &str, method_name: &str) -> String {
     )
 }
 
-/// Create url for downloading file, see [telegram docs](https://core.telegram.org/bots/api#file)
+/// Creates URL for downloading a file. See the [Telegram documentation].
+///
+/// [Telegram documentation] (https://core.telegram.org/bots/api#file)
 fn file_url(base: &str, token: &str, file_path: &str) -> String {
     format!(
         "{url}/file/bot{token}/{file}",
@@ -31,33 +32,6 @@ fn file_url(base: &str, token: &str, file_path: &str) -> String {
     )
 }
 
-#[derive(Debug, Display)]
-pub enum RequestError {
-    #[display(fmt = "Telegram error #{}: {}", status_code, description)]
-    ApiError {
-        status_code: StatusCode,
-        description: String,
-    },
-
-    #[display(fmt = "Network error: {err}", err = _0)]
-    NetworkError(reqwest::Error),
-
-    #[display(fmt = "InvalidJson error caused by: {err}", err = _0)]
-    InvalidJson(serde_json::Error),
-}
-
-impl std::error::Error for RequestError {
-    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
-        match self {
-            RequestError::ApiError { .. } => None,
-            RequestError::NetworkError(err) => Some(err),
-            RequestError::InvalidJson(err) => Some(err),
-        }
-    }
-}
-
-pub type ResponseResult<T> = Result<T, RequestError>;
-
 pub async fn request<T: DeserializeOwned>(
     client: &Client,
     token: &str,
@@ -66,12 +40,9 @@ pub async fn request<T: DeserializeOwned>(
 ) -> ResponseResult<T> {
     let mut response = client
         .post(&method_url(TELEGRAM_API_URL, token, method_name))
-        .apply(|request_builder| {
-            if let Some(params) = params {
-                request_builder.multipart(params)
-            } else {
-                request_builder
-            }
+        .apply(|request_builder| match params {
+            Some(params) => request_builder.multipart(params),
+            None => request_builder,
         })
         .send()
         .compat()
diff --git a/src/core/requests/form_builder.rs b/src/core/requests/form_builder.rs
index ce4a3d39..ba38bc19 100644
--- a/src/core/requests/form_builder.rs
+++ b/src/core/requests/form_builder.rs
@@ -38,8 +38,8 @@ impl FormBuilder {
                 form: self.form.text(
                     name.to_owned(),
                     serde_json::to_string(value).expect("serde_json::to_string failed"),
-                )
-            }
+                ),
+            },
         }
     }
 
diff --git a/src/core/requests/get_me.rs b/src/core/requests/get_me.rs
index 464c85bf..5f5a14fe 100644
--- a/src/core/requests/get_me.rs
+++ b/src/core/requests/get_me.rs
@@ -1,17 +1,10 @@
-use crate::core::{
-    types::User,
-    network::{
-        request, ResponseResult,
-    },
-    requests::{
-        Request, RequestInfo, RequestFuture,
-    }
-};
-
+use crate::core::network;
+use crate::core::requests::{Request, RequestFuture, RequestInfo, ResponseResult};
+use crate::core::types::User;
 
 #[derive(Debug, Constructor)]
 pub struct GetMe {
-    info: RequestInfo
+    info: RequestInfo,
 }
 
 impl Request for GetMe {
@@ -19,7 +12,7 @@ impl Request for GetMe {
 
     fn send(self) -> RequestFuture<ResponseResult<Self::ReturnValue>> {
         Box::new(async move {
-            request(&self.info.client, &self.info.token, "getMe", None).await
+            network::request(&self.info.client, &self.info.token, "getMe", None).await
         })
     }
 }
diff --git a/src/core/requests/mod.rs b/src/core/requests/mod.rs
index 1c88f1c6..797ea3b8 100644
--- a/src/core/requests/mod.rs
+++ b/src/core/requests/mod.rs
@@ -1,13 +1,37 @@
 use std::future::Future;
 
-use crate::core::network::ResponseResult;
-
-use serde::de::DeserializeOwned;
 use reqwest::r#async::Client;
-
+use reqwest::StatusCode;
+use serde::de::DeserializeOwned;
 
 mod form_builder;
 
+#[derive(Debug, Display)]
+pub enum RequestError {
+    #[display(fmt = "Telegram error #{}: {}", status_code, description)]
+    ApiError {
+        status_code: StatusCode,
+        description: String,
+    },
+
+    #[display(fmt = "Network error: {err}", err = _0)]
+    NetworkError(reqwest::Error),
+
+    #[display(fmt = "InvalidJson error caused by: {err}", err = _0)]
+    InvalidJson(serde_json::Error),
+}
+
+impl std::error::Error for RequestError {
+    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
+        match self {
+            RequestError::ApiError { .. } => None,
+            RequestError::NetworkError(err) => Some(err),
+            RequestError::InvalidJson(err) => Some(err),
+        }
+    }
+}
+
+pub type ResponseResult<T> = Result<T, RequestError>;
 
 /// Request that can be sent to telegram.
 /// `ReturnValue` - a type that will be returned from Telegram.
diff --git a/src/core/requests/send_message.rs b/src/core/requests/send_message.rs
index 95cdb319..e767d32a 100644
--- a/src/core/requests/send_message.rs
+++ b/src/core/requests/send_message.rs
@@ -1,17 +1,6 @@
-use crate::core::{
-    types::Message,
-    network::{
-        request, ResponseResult,
-    },
-    requests::{
-        form_builder::FormBuilder,
-        ChatId,
-        Request,
-        RequestInfo,
-        RequestFuture,
-    }
-};
-
+use crate::core::requests::form_builder::FormBuilder;
+use crate::core::requests::{ChatId, Request, RequestFuture, RequestInfo, ResponseResult};
+use crate::core::{network, types::Message};
 
 #[derive(Debug, TypedBuilder)]
 pub struct SendMessage {
@@ -35,7 +24,6 @@ pub struct SendMessage {
 impl Request for SendMessage {
     type ReturnValue = Message;
 
-
     fn send(self) -> RequestFuture<ResponseResult<Self::ReturnValue>> {
         Box::new(async move {
             let params = FormBuilder::new()
@@ -50,7 +38,13 @@ impl Request for SendMessage {
                 .add_if_some("reply_to_message_id", self.reply_to_message_id.as_ref())
                 .build();
 
-            request(&self.info.client, &self.info.token, "sendMessage", Some(params)).await
+            network::request(
+                &self.info.client,
+                &self.info.token,
+                "sendMessage",
+                Some(params),
+            )
+            .await
         })
     }
 }
diff --git a/src/core/types/chosen_inline_result.rs b/src/core/types/chosen_inline_result.rs
index bd479fa5..489acfaa 100644
--- a/src/core/types/chosen_inline_result.rs
+++ b/src/core/types/chosen_inline_result.rs
@@ -1,4 +1,5 @@
 use serde::Deserialize;
+
 use crate::core::types::user::User;
 
 #[derive(Debug, Deserealize)]
diff --git a/src/core/types/input_message_content.rs b/src/core/types/input_message_content.rs
index 14e4b142..cf4c6873 100644
--- a/src/core/types/input_message_content.rs
+++ b/src/core/types/input_message_content.rs
@@ -1,4 +1,5 @@
 use serde::Serialize;
+
 use crate::core::parse_mode::ParseMode;
 
 pub enum InputMessageContent {
diff --git a/src/core/types/message.rs b/src/core/types/message.rs
index 2a3e3dc3..f53bb5a6 100644
--- a/src/core/types/message.rs
+++ b/src/core/types/message.rs
@@ -1,11 +1,9 @@
 // use serde::Deserialize;
 
 use crate::core::types::{
-    Animation, Audio, Chat, Contact,
-    Document, Game, Invoice, InlineKeyboardMarkup,
-    PhotoSize, MessageEntity, Location, PassportData, Poll,
-    Sticker, SuccessfulPayment,
-    User, Video, VideoNote, Venue, Voice,
+    Animation, Audio, Chat, Contact, Document, Game, InlineKeyboardMarkup, Invoice, Location,
+    MessageEntity, PassportData, PhotoSize, Poll, Sticker, SuccessfulPayment, User, Venue, Video,
+    VideoNote, Voice,
 };
 
 #[derive(Debug, Deserialize, Hash, PartialEq, Eq)]
diff --git a/src/core/types/message_entity.rs b/src/core/types/message_entity.rs
index 0763727f..9235bd2f 100644
--- a/src/core/types/message_entity.rs
+++ b/src/core/types/message_entity.rs
@@ -1,6 +1,5 @@
 use crate::core::types::User;
 
-
 #[derive(Deserialize, Debug, PartialEq, Hash, Eq)]
 pub struct MessageEntity {
     #[serde(flatten)]
@@ -13,10 +12,19 @@ pub struct MessageEntity {
 #[serde(rename_all = "snake_case")]
 #[serde(tag = "type")]
 pub enum MessageEntityKind {
-    Mention, Hashtag, Cashtag, BotCommand, Url, Email, PhoneNumber,
-    Bold, Italic, Code, Pre,
+    Mention,
+    Hashtag,
+    Cashtag,
+    BotCommand,
+    Url,
+    Email,
+    PhoneNumber,
+    Bold,
+    Italic,
+    Code,
+    Pre,
     TextLink { url: String },
-    TextMention { user: User }
+    TextMention { user: User },
 }
 
 #[test]
@@ -25,12 +33,13 @@ fn recursive_kind() {
 
     assert_eq!(
         MessageEntity {
-            kind: MessageEntityKind::TextLink { url: "ya.ru".into() },
+            kind: MessageEntityKind::TextLink {
+                url: "ya.ru".into()
+            },
             offset: 1,
             length: 2
         },
-        from_str::<MessageEntity>(
-            r#"{"type":"text_link","url":"ya.ru","offset":1,"length":2}"#
-        ).unwrap()
+        from_str::<MessageEntity>(r#"{"type":"text_link","url":"ya.ru","offset":1,"length":2}"#)
+            .unwrap()
     );
 }
diff --git a/src/core/types/mod.rs b/src/core/types/mod.rs
index 568022a3..f25ffcf5 100644
--- a/src/core/types/mod.rs
+++ b/src/core/types/mod.rs
@@ -1,26 +1,11 @@
-mod not_implemented_types;
 use self::not_implemented_types::*;
-
-
 pub use self::{
-    answer_pre_checkout_query::AnswerPreCheckoutQuery,
-    answer_shipping_query::AnswerShippingQuery,
-    chat::Chat,
-    chat_permissions::ChatPermissions,
-    chat_photo::ChatPhoto,
-    document::Document,
-    invoice::Invoice,
-    label_price::LabeledPrice,
-    message::Message,
-    message_entity::MessageEntity,
-    order_info::OrderInfo,
-    pre_checkout_query::PreCheckoutQuery,
-    send_invoice::SendInvoice,
-    shipping_address::ShippingAddress,
-    shipping_option::ShippingOption,
-    shipping_query::ShippingQuery,
-    sticker::Sticker,
-    successful_payment::SuccessfulPayment,
+    answer_pre_checkout_query::AnswerPreCheckoutQuery, answer_shipping_query::AnswerShippingQuery,
+    chat::Chat, chat_permissions::ChatPermissions, chat_photo::ChatPhoto, document::Document,
+    invoice::Invoice, label_price::LabeledPrice, message::Message, message_entity::MessageEntity,
+    order_info::OrderInfo, pre_checkout_query::PreCheckoutQuery, send_invoice::SendInvoice,
+    shipping_address::ShippingAddress, shipping_option::ShippingOption,
+    shipping_query::ShippingQuery, sticker::Sticker, successful_payment::SuccessfulPayment,
     user::User,
     input_file::InputFile,
     input_media::InputMedia,
@@ -37,6 +22,7 @@ mod invoice;
 mod label_price;
 mod message;
 mod message_entity;
+mod not_implemented_types;
 mod order_info;
 mod pre_checkout_query;
 mod send_invoice;
diff --git a/src/lib.rs b/src/lib.rs
index 4f1e44c6..c9bdacec 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,4 +5,4 @@ extern crate serde;
 #[macro_use]
 extern crate typed_builder;
 
-mod core;
+pub mod core;