Fix examples 03, 14, and 17

examples/e03_struct_utilities/src/main.rs

@@ -19,10 +19,14 @@ impl EventHandler for Handler {
             // In this case, you can direct message a User directly by simply
             // calling a method on its instance, with the content of the
             // message.
-            let dm = msg.author.dm(&context, |m| m.content("Hello!")).await;
-
-            if let Err(why) = dm {
-                println!("Error when direct messaging user: {:?}", why);
+            match msg.author.dm(&context).await {
+                Ok(create_message) => {
+                    let msg = create_message.content("Hello!").execute(&context).await;
+                    if let Err(why) = msg {
+                        println!("Error when direct messaging user: {:?}", why);
+                    }
+                },
+                Err(why) => println!("Error when direct messaging user: {:?}", why),
             }
         }
     }

examples/e14_slash_commands/src/main.rs

@@ -1,6 +1,7 @@
 use std::env;
 
 use serenity::async_trait;
+use serenity::builder::*;
 use serenity::model::application::command::{Command, CommandOptionType};
 use serenity::model::application::interaction::application_command::CommandDataOptionValue;
 use serenity::model::application::interaction::{Interaction, InteractionResponseType};
@@ -56,12 +57,12 @@ impl EventHandler for Handler {
                 _ => "not implemented :(".to_string(),
             };
 
+            let data = CreateInteractionResponseData::default().content(content);
             if let Err(why) = command
-                .create_interaction_response(&ctx.http, |response| {
-                    response
-                        .kind(InteractionResponseType::ChannelMessageWithSource)
-                        .interaction_response_data(|message| message.content(content))
-                })
+                .create_interaction_response()
+                .kind(InteractionResponseType::ChannelMessageWithSource)
+                .interaction_response_data(data)
+                .execute(&ctx.http)
                 .await
             {
                 println!("Cannot respond to slash command: {}", why);

src/model/channel/channel_id.rs

@@ -715,7 +715,11 @@ impl ChannelId {
     /// Refer to the documentation for [`CreateMessage`] for more information regarding message
     /// restrictions and requirements.
     pub fn send_message<'a>(self) -> CreateMessage<'a> {
-        CreateMessage::new(self, None)
+        CreateMessage::new(
+            self,
+            #[cfg(feature = "cache")]
+            None,
+        )
     }
 
     /// Starts typing in the channel for an indefinite period of time.

src/model/channel/guild_channel.rs

@@ -911,7 +911,11 @@ impl GuildChannel {
     /// Refer to the documentation for [`CreateMessage`] for more information regarding message
     /// restrictions and requirements.
     pub fn send_message<'a>(&self) -> CreateMessage<'a> {
-        CreateMessage::new(self.id, Some(self.guild_id))
+        CreateMessage::new(
+            self.id,
+            #[cfg(feature = "cache")]
+            Some(self.guild_id),
+        )
     }
 
     /// Starts typing in the channel for an indefinite period of time.