use new() with primary argument instead of default()

src/command/ban.rs

@@ -1,16 +1,14 @@
 use super::{Command, Selector};
 
-#[derive(Default)]
 pub struct BanCommand {
-    target: Option<Selector>,
+    target: Selector,
     reason: Option<String>,
     ip: Option<bool>,
 }
 
 impl BanCommand {
-    pub fn target(mut self, target: Selector) -> Self {
-        self.target = Some(target);
-        self
+    pub fn new(target: Selector) -> Self {
+        Self { target, reason: None, ip: None }
     }
 
     pub fn reason(mut self, reason: impl Into<String>) -> Self {
@@ -24,9 +22,7 @@ impl BanCommand {
     }
 
     pub fn build(self) -> Command {
-        let target = self
-            .target
-            .unwrap_or(Selector::Player("nonexistent".to_string()));
+        let target = self.target;
         let ip = self.ip.unwrap_or(false);
         let mut s = if ip {
             format!("ban-ip {target}")

src/command/banlist.rs

@@ -1,7 +1,6 @@
 use super::Command;
 use std::marker::PhantomData;
 
-#[derive(Default)]
 pub struct BanlistCommand<State> {
     state: PhantomData<State>,
 }

src/command/defaultgamemode.rs

@@ -1,18 +1,16 @@
 use super::{Command, Gamemode};
 
-#[derive(Default)]
 pub struct DefaultGamemodeCommand {
-    gamemode: Option<Gamemode>,
+    gamemode: Gamemode,
 }
 
 impl DefaultGamemodeCommand {
-    pub fn gamemode(mut self, gamemode: Gamemode) -> Self {
-        self.gamemode = Some(gamemode);
-        self
+    pub fn new(gamemode: Gamemode) -> Self {
+        Self { gamemode }
     }
 
     pub fn build(self) -> Command {
-        let gamemode = self.gamemode.unwrap_or(Gamemode::Survival);
+        let gamemode = self.gamemode;
         let s = format!("defaultgamemode {gamemode}");
         Command(s)
     }

src/command/deop.rs

@@ -1,18 +1,16 @@
 use super::{Command, Selector};
 
-#[derive(Default)]
 pub struct DeopCommand {
-    target: Option<Selector>,
+    target: Selector,
 }
 
 impl DeopCommand {
-    pub fn target(mut self, target: Selector) -> Self {
-        self.target = Some(target);
-        self
+    pub fn new(target: Selector) -> Self {
+        Self { target }
     }
 
     pub fn build(self) -> Command {
-        let target = self.target.unwrap_or(Selector::Executor);
+        let target = self.target;
         let s = format!("deop {target}");
         Command(s)
     }

src/command/difficulty.rs

@@ -1,18 +1,21 @@
 use super::{Command, Difficulty};
 
-#[derive(Default)]
 pub struct DifficultyCommand {
     difficulty: Option<Difficulty>
 }
 
 impl DifficultyCommand {
+    pub fn new() -> Self {
+        Self { difficulty: None }
+    }
+
     pub fn difficulty(mut self, difficulty: Difficulty) -> Self {
         self.difficulty = Some(difficulty);
         self
     }
 
     pub fn build(self) -> Command {
-        let mut s = format!("difficulty");
+        let mut s = "difficulty".to_string();
         if let Some(difficulty) = self.difficulty {
             s.push_str(&format!(" {difficulty}"))
         };

src/command/gamemode.rs

@@ -1,15 +1,13 @@
 use super::{Command, Gamemode, Selector};
 
-#[derive(Default)]
 pub struct GamemodeCommand {
-    gamemode: Option<Gamemode>,
+    gamemode: Gamemode,
     target: Option<Selector>
 }
 
 impl GamemodeCommand {
-    pub fn gamemode(mut self, gamemode: Gamemode) -> Self {
-        self.gamemode = Some(gamemode);
-        self
+    pub fn new(gamemode: Gamemode) -> Self {
+        Self { gamemode, target: None }
     }
 
     pub fn target(mut self, target: Selector) -> Self {
@@ -18,7 +16,7 @@ impl GamemodeCommand {
     }
 
     pub fn build(self) -> Command {
-        let gamemode = self.gamemode.unwrap_or(Gamemode::Survival);
+        let gamemode = self.gamemode;
         let mut s = format!("defaultgamemode {gamemode}");
         if let Some(target) = self.target {
             s.push_str(&format!(" {target}"))

src/command/kill.rs

@@ -1,18 +1,16 @@
 use super::{Command, Selector};
 
-#[derive(Default)]
 pub struct KillCommand {
-    target: Option<Selector>,
+    target: Selector,
 }
 
 impl KillCommand {
-    pub fn target(mut self, target: Selector) -> Self {
-        self.target = Some(target);
-        self
+    pub fn new(target: Selector) -> Self {
+        Self { target }
     }
 
     pub fn build(self) -> Command {
-        let target = self.target.unwrap_or(Selector::Executor);
+        let target = self.target;
         let s = format!("kill {target}");
         Command(s)
     }

src/command/list.rs

@@ -1,11 +1,14 @@
 use super::Command;
 
-#[derive(Default)]
 pub struct ListCommand {
     uuids: Option<bool>,
 }
 
 impl ListCommand {
+    pub fn new() -> Self {
+        Self { uuids: None }
+    }
+    
     pub fn uuids(mut self) -> Self {
         self.uuids = Some(true);
         self

src/command/mod.rs

@@ -82,43 +82,43 @@ impl Command {
         &self.0
     }
 
-    pub fn say() -> say::SayCommand {
-        say::SayCommand::default()
+    pub fn say(message: impl Into<String>) -> say::SayCommand {
+        say::SayCommand::new(message.into())
     }
 
     pub fn list() -> list::ListCommand {
-        list::ListCommand::default()
+        list::ListCommand::new()
     }
 
-    pub fn kill() -> kill::KillCommand {
-        kill::KillCommand::default()
+    pub fn kill(target: Selector) -> kill::KillCommand {
+        kill::KillCommand::new(target)
     }
 
-    pub fn ban() -> ban::BanCommand {
-        ban::BanCommand::default()
+    pub fn ban(target: Selector) -> ban::BanCommand {
+        ban::BanCommand::new(target)
     }
 
     pub fn banlist() -> banlist::BanlistCommand<banlist::NoFilter> {
         banlist::BanlistCommand::new()
     }
 
-    pub fn defaultgamemode() -> defaultgamemode::DefaultGamemodeCommand {
-        defaultgamemode::DefaultGamemodeCommand::default()
+    pub fn defaultgamemode(gamemode: Gamemode) -> defaultgamemode::DefaultGamemodeCommand {
+        defaultgamemode::DefaultGamemodeCommand::new(gamemode)
     }
 
-    pub fn op() -> op::OpCommand {
-        op::OpCommand::default()
+    pub fn op(target: Selector) -> op::OpCommand {
+        op::OpCommand::new(target)
     }
 
-    pub fn deop() -> deop::DeopCommand {
-        deop::DeopCommand::default()
+    pub fn deop(target: Selector) -> deop::DeopCommand {
+        deop::DeopCommand::new(target)
     }
 
     pub fn difficulty() -> difficulty::DifficultyCommand {
-        difficulty::DifficultyCommand::default()
+        difficulty::DifficultyCommand::new()
     }
 
-    pub fn gamemode() -> gamemode::GamemodeCommand {
-        gamemode::GamemodeCommand::default()
+    pub fn gamemode(gamemode: Gamemode) -> gamemode::GamemodeCommand {
+        gamemode::GamemodeCommand::new(gamemode)
     }
 }

src/command/op.rs

@@ -1,18 +1,16 @@
 use super::{Command, Selector};
 
-#[derive(Default)]
 pub struct OpCommand {
-    target: Option<Selector>,
+    target: Selector,
 }
 
 impl OpCommand {
-    pub fn target(mut self, target: Selector) -> Self {
-        self.target = Some(target);
-        self
+    pub fn new(target: Selector) -> Self {
+        Self { target }
     }
 
     pub fn build(self) -> Command {
-        let target = self.target.unwrap_or(Selector::Executor);
+        let target = self.target;
         let s = format!("op {target}");
         Command(s)
     }

src/command/say.rs

@@ -1,18 +1,16 @@
 use super::Command;
 
-#[derive(Default)]
 pub struct SayCommand {
-    message: Option<String>,
+    message: String,
 }
 
 impl SayCommand {
-    pub fn message(mut self, msg: impl Into<String>) -> Self {
-        self.message = Some(msg.into());
-        self
+    pub fn new(message: String) -> Self {
+        Self { message }
     }
 
     pub fn build(self) -> Command {
-        let message = self.message.unwrap_or("Hello, world!".to_string());
+        let message = self.message;
         let s = format!("say {message}");
         Command(s)
     }