Switch to Into<String> when accepting string parameters (serenity-r…

…s#1903)

This changes instances of `ToString` to `Into<String>` whenever ownership of
the `String` is necessary. In case it is not, it's simply changed to `&str` to
lessen the effects of monomorphization on compile times.

examples/e06_sample_bot_structure/src/commands/math.rs

@@ -10,7 +10,7 @@ pub async fn multiply(ctx: &Context, msg: &Message, mut args: Args) -> CommandRe
 
     let product = one * two;
 
-    msg.channel_id.say(&ctx.http, product).await?;
+    msg.channel_id.say(&ctx.http, product.to_string()).await?;
 
     Ok(())
 }

examples/e13_parallel_loops/src/main.rs

@@ -82,10 +82,10 @@ async fn log_system_load(ctx: Arc<Context>) {
         .send_message(&ctx, |m| {
             m.embed(|e| {
                 e.title("System Resource Load")
-                    .field("CPU Load Average", format!("{:.2}%", cpu_load.one * 10.0), false)
+                    .field("CPU Load Average", &format!("{:.2}%", cpu_load.one * 10.0), false)
                     .field(
                         "Memory Usage",
-                        format!(
+                        &format!(
                             "{:.2} MB Free out of {:.2} MB",
                             mem_use.free as f32 / 1000.0,
                             mem_use.total as f32 / 1000.0
@@ -104,7 +104,7 @@ async fn set_status_to_current_time(ctx: Arc<Context>) {
     let current_time = Utc::now();
     let formatted_time = current_time.to_rfc2822();
 
-    ctx.set_activity(Activity::playing(&formatted_time)).await;
+    ctx.set_activity(Activity::playing(formatted_time)).await;
 }
 
 #[tokio::main]

src/builder/add_member.rs

@@ -13,8 +13,8 @@ impl AddMember {
     /// Sets the OAuth2 access token for this request.
     ///
     /// Requires the access token to have the `guilds.join` scope granted.
-    pub fn access_token(&mut self, access_token: impl ToString) -> &mut Self {
-        self.0.insert("access_token", Value::from(access_token.to_string()));
+    pub fn access_token(&mut self, access_token: impl Into<String>) -> &mut Self {
+        self.0.insert("access_token", Value::String(access_token.into()));
         self
     }
 
@@ -23,8 +23,8 @@ impl AddMember {
     /// Requires the [Manage Nicknames] permission.
     ///
     /// [Manage Nicknames]: crate::model::permissions::Permissions::MANAGE_NICKNAMES
-    pub fn nickname(&mut self, nickname: impl ToString) -> &mut Self {
-        self.0.insert("nick", Value::from(nickname.to_string()));
+    pub fn nickname(&mut self, nickname: impl Into<String>) -> &mut Self {
+        self.0.insert("nick", Value::String(nickname.into()));
         self
     }
 

src/builder/create_allowed_mentions.rs

@@ -5,7 +5,7 @@ use serde::{Deserialize, Serialize};
 use crate::json::prelude::*;
 use crate::model::id::{RoleId, UserId};
 
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
 pub enum ParseValue {
     #[serde(rename = "everyone")]
     Everyone,

src/builder/create_application_command.rs

@@ -27,8 +27,8 @@ impl CreateApplicationCommandOption {
     /// Sets the name of the option.
     ///
     /// **Note**: Must be between 1 and 32 lowercase characters, matching `r"^[\w-]{1,32}$"`.
-    pub fn name<D: ToString>(&mut self, name: D) -> &mut Self {
-        self.0.insert("name", Value::from(name.to_string()));
+    pub fn name(&mut self, name: impl Into<String>) -> &mut Self {
+        self.0.insert("name", Value::String(name.into()));
         self
     }
 
@@ -54,8 +54,8 @@ impl CreateApplicationCommandOption {
     /// Sets the description for the option.
     ///
     /// **Note**: Must be between 1 and 100 characters.
-    pub fn description<D: ToString>(&mut self, description: D) -> &mut Self {
-        self.0.insert("description", Value::from(description.to_string()));
+    pub fn description(&mut self, description: impl Into<String>) -> &mut Self {
+        self.0.insert("description", Value::String(description.into()));
         self
     }
 
@@ -101,9 +101,9 @@ impl CreateApplicationCommandOption {
     /// Adds an optional int-choice.
     ///
     /// **Note**: There can be no more than 25 choices set. Name must be between 1 and 100 characters. Value must be between -2^53 and 2^53.
-    pub fn add_int_choice<D: ToString>(&mut self, name: D, value: i32) -> &mut Self {
+    pub fn add_int_choice(&mut self, name: impl Into<String>, value: i32) -> &mut Self {
         let choice = json!({
-            "name": name.to_string(),
+            "name": name.into(),
             "value" : value
         });
         self.add_choice(choice)
@@ -130,10 +130,14 @@ impl CreateApplicationCommandOption {
     /// Adds an optional string-choice.
     ///
     /// **Note**: There can be no more than 25 choices set. Name must be between 1 and 100 characters. Value must be up to 100 characters.
-    pub fn add_string_choice<D: ToString, E: ToString>(&mut self, name: D, value: E) -> &mut Self {
+    pub fn add_string_choice(
+        &mut self,
+        name: impl Into<String>,
+        value: impl Into<String>,
+    ) -> &mut Self {
         let choice = json!({
-            "name": name.to_string(),
-            "value": value.to_string()
+            "name": name.into(),
+            "value": value.into()
         });
         self.add_choice(choice)
     }
@@ -159,9 +163,9 @@ impl CreateApplicationCommandOption {
     /// Adds an optional number-choice.
     ///
     /// **Note**: There can be no more than 25 choices set. Name must be between 1 and 100 characters. Value must be between -2^53 and 2^53.
-    pub fn add_number_choice<D: ToString>(&mut self, name: D, value: f64) -> &mut Self {
+    pub fn add_number_choice(&mut self, name: impl Into<String>, value: f64) -> &mut Self {
         let choice = json!({
-            "name": name.to_string(),
+            "name": name.into(),
             "value" : value
         });
         self.add_choice(choice)
@@ -305,8 +309,8 @@ impl CreateApplicationCommand {
     /// Specifies the name of the application command.
     ///
     /// **Note**: Must be between 1 and 32 lowercase characters, matching `r"^[\w-]{1,32}$"`. Two global commands of the same app cannot have the same name. Two guild-specific commands of the same app cannot have the same name.
-    pub fn name<D: ToString>(&mut self, name: D) -> &mut Self {
-        self.0.insert("name", Value::from(name.to_string()));
+    pub fn name(&mut self, name: impl Into<String>) -> &mut Self {
+        self.0.insert("name", Value::String(name.into()));
         self
     }
 
@@ -338,7 +342,7 @@ impl CreateApplicationCommand {
 
     /// Specifies the default permissions required to execute the command.
     pub fn default_member_permissions(&mut self, permissions: Permissions) -> &mut Self {
-        self.0.insert("default_member_permissions", Value::from(permissions.bits().to_string()));
+        self.0.insert("default_member_permissions", Value::String(permissions.bits().to_string()));
 
         self
     }
@@ -353,8 +357,8 @@ impl CreateApplicationCommand {
     /// Specifies the description of the application command.
     ///
     /// **Note**: Must be between 1 and 100 characters long.
-    pub fn description<D: ToString>(&mut self, description: D) -> &mut Self {
-        self.0.insert("description", Value::from(description.to_string()));
+    pub fn description(&mut self, description: impl Into<String>) -> &mut Self {
+        self.0.insert("description", Value::String(description.into()));
         self
     }
 

src/builder/create_channel.rs

@@ -16,8 +16,8 @@ impl CreateChannel {
     /// Specify how to call this new channel.
     ///
     /// **Note**: Must be between 2 and 100 characters long.
-    pub fn name<D: ToString>(&mut self, name: D) -> &mut Self {
-        self.0.insert("name", Value::from(name.to_string()));
+    pub fn name(&mut self, name: impl Into<String>) -> &mut Self {
+        self.0.insert("name", Value::String(name.into()));
 
         self
     }
@@ -38,8 +38,8 @@ impl CreateChannel {
     /// Set an interesting topic.
     ///
     /// **Note**: Must be between 0 and 1000 characters long.
-    pub fn topic<D: ToString>(&mut self, topic: D) -> &mut Self {
-        self.0.insert("topic", Value::from(topic.to_string()));
+    pub fn topic(&mut self, topic: impl Into<String>) -> &mut Self {
+        self.0.insert("topic", Value::String(topic.into()));
 
         self
     }

src/builder/create_components.rs

@@ -161,20 +161,20 @@ impl CreateButton {
     }
 
     /// The label of the button.
-    pub fn label<D: ToString>(&mut self, label: D) -> &mut Self {
-        self.0.insert("label", Value::from(label.to_string()));
+    pub fn label(&mut self, label: impl Into<String>) -> &mut Self {
+        self.0.insert("label", Value::String(label.into()));
         self
     }
 
     /// Sets the custom id of the button, a developer-defined identifier.
-    pub fn custom_id<D: ToString>(&mut self, id: D) -> &mut Self {
-        self.0.insert("custom_id", Value::from(id.to_string()));
+    pub fn custom_id(&mut self, id: impl Into<String>) -> &mut Self {
+        self.0.insert("custom_id", Value::String(id.into()));
         self
     }
 
     /// The url for url style button.
-    pub fn url<D: ToString>(&mut self, url: D) -> &mut Self {
-        self.0.insert("url", Value::from(url.to_string()));
+    pub fn url(&mut self, url: impl Into<String>) -> &mut Self {
+        self.0.insert("url", Value::String(url.into()));
         self
     }
 
@@ -188,18 +188,18 @@ impl CreateButton {
 
         match emoji {
             ReactionType::Unicode(u) => {
-                map.insert("name".to_string(), Value::from(u));
+                map.insert("name".into(), Value::from(u));
             },
             ReactionType::Custom {
                 animated,
                 id,
                 name,
             } => {
-                map.insert("animated".to_string(), Value::from(animated));
-                map.insert("id".to_string(), Value::from(id.to_string()));
+                map.insert("animated".into(), Value::from(animated));
+                map.insert("id".into(), Value::String(id.to_string()));
 
                 if let Some(name) = name {
-                    map.insert("name".to_string(), Value::from(name));
+                    map.insert("name".into(), Value::String(name));
                 }
             },
         };
@@ -230,14 +230,14 @@ pub struct CreateSelectMenu(pub HashMap<&'static str, Value>);
 
 impl CreateSelectMenu {
     /// The placeholder of the select menu.
-    pub fn placeholder<D: ToString>(&mut self, label: D) -> &mut Self {
-        self.0.insert("placeholder", Value::from(label.to_string()));
+    pub fn placeholder(&mut self, label: impl Into<String>) -> &mut Self {
+        self.0.insert("placeholder", Value::String(label.into()));
         self
     }
 
     /// Sets the custom id of the select menu, a developer-defined identifier.
-    pub fn custom_id<D: ToString>(&mut self, id: D) -> &mut Self {
-        self.0.insert("custom_id", Value::from(id.to_string()));
+    pub fn custom_id(&mut self, id: impl Into<String>) -> &mut Self {
+        self.0.insert("custom_id", Value::String(id.into()));
         self
     }
 
@@ -329,27 +329,27 @@ pub struct CreateSelectMenuOption(pub HashMap<&'static str, Value>);
 
 impl CreateSelectMenuOption {
     /// Creates an option.
-    pub fn new<L: ToString, V: ToString>(label: L, value: V) -> Self {
+    pub fn new(label: impl Into<String>, value: impl Into<String>) -> Self {
         let mut opt = Self::default();
         opt.label(label).value(value);
         opt
     }
 
     /// Sets the label of this option.
-    pub fn label<D: ToString>(&mut self, label: D) -> &mut Self {
-        self.0.insert("label", Value::from(label.to_string()));
+    pub fn label(&mut self, label: impl Into<String>) -> &mut Self {
+        self.0.insert("label", Value::String(label.into()));
         self
     }
 
     /// Sets the value of this option.
-    pub fn value<D: ToString>(&mut self, value: D) -> &mut Self {
-        self.0.insert("value", Value::from(value.to_string()));
+    pub fn value(&mut self, value: impl Into<String>) -> &mut Self {
+        self.0.insert("value", Value::String(value.into()));
         self
     }
 
     /// Sets the description shown on this option.
-    pub fn description<D: ToString>(&mut self, description: D) -> &mut Self {
-        self.0.insert("description", Value::from(description.to_string()));
+    pub fn description(&mut self, description: impl Into<String>) -> &mut Self {
+        self.0.insert("description", Value::String(description.into()));
         self
     }
 
@@ -363,18 +363,18 @@ impl CreateSelectMenuOption {
 
         match emoji {
             ReactionType::Unicode(u) => {
-                map.insert("name".to_string(), Value::from(u));
+                map.insert("name".into(), Value::String(u));
             },
             ReactionType::Custom {
                 animated,
                 id,
                 name,
             } => {
-                map.insert("animated".to_string(), Value::from(animated));
-                map.insert("id".to_string(), Value::from(id.to_string()));
+                map.insert("animated".into(), Value::from(animated));
+                map.insert("id".into(), Value::String(id.to_string()));
 
                 if let Some(name) = name {
-                    map.insert("name".to_string(), Value::from(name));
+                    map.insert("name".into(), Value::from(name));
                 }
             },
         };
@@ -398,8 +398,8 @@ pub struct CreateInputText(pub HashMap<&'static str, Value>);
 
 impl CreateInputText {
     /// Sets the custom id of the input text, a developer-defined identifier.
-    pub fn custom_id<D: ToString>(&mut self, id: D) -> &mut Self {
-        self.0.insert("custom_id", Value::from(id.to_string()));
+    pub fn custom_id(&mut self, id: impl Into<String>) -> &mut Self {
+        self.0.insert("custom_id", Value::from(id.into()));
         self
     }
 
@@ -410,14 +410,14 @@ impl CreateInputText {
     }
 
     /// Sets the label of this input text.
-    pub fn label<D: ToString>(&mut self, label: D) -> &mut Self {
-        self.0.insert("label", Value::from(label.to_string()));
+    pub fn label(&mut self, label: impl Into<String>) -> &mut Self {
+        self.0.insert("label", Value::String(label.into()));
         self
     }
 
     /// Sets the placeholder of this input text.
-    pub fn placeholder<D: ToString>(&mut self, label: D) -> &mut Self {
-        self.0.insert("placeholder", Value::from(label.to_string()));
+    pub fn placeholder(&mut self, label: impl Into<String>) -> &mut Self {
+        self.0.insert("placeholder", Value::String(label.into()));
         self
     }
 
@@ -434,8 +434,8 @@ impl CreateInputText {
     }
 
     /// Sets the value of this input text.
-    pub fn value<D: ToString>(&mut self, value: D) -> &mut Self {
-        self.0.insert("value", Value::from(value.to_string()));
+    pub fn value(&mut self, value: impl Into<String>) -> &mut Self {
+        self.0.insert("value", Value::String(value.into()));
         self
     }