derive Default instances

code_markup/src/slow_pool.rs

@@ -4,7 +4,7 @@ use crate::markup::nodes::MarkupNode;
 
 pub type MarkNodeId = usize;
 
-#[derive(Debug)]
+#[derive(Debug, Default)]
 pub struct SlowPool {
     nodes: Vec<MarkupNode>,
 }
@@ -69,9 +69,3 @@ impl fmt::Display for SlowPool {
         Ok(())
     }
 }
-
-impl Default for SlowPool {
-    fn default() -> Self {
-        SlowPool { nodes: Vec::new() }
-    }
-}

editor/src/editor/code_lines.rs

@@ -7,7 +7,7 @@ use crate::ui::util::slice_get_mut;
 use std::cmp::Ordering;
 use std::fmt;
 
-#[derive(Debug)]
+#[derive(Debug, Default)]
 pub struct CodeLines {
     pub lines: Vec<String>,
     pub nr_of_chars: usize,
@@ -155,15 +155,6 @@ impl CodeLines {
     }
 }
 
-impl Default for CodeLines {
-    fn default() -> Self {
-        CodeLines {
-            lines: Vec::new(),
-            nr_of_chars: 0,
-        }
-    }
-}
-
 impl Lines for CodeLines {
     fn get_line_ref(&self, line_nr: usize) -> UIResult<&str> {
         let line_string = slice_get(line_nr, &self.lines)?;

editor/src/graphics/lowlevel/buffer.rs

@@ -17,7 +17,9 @@ pub struct QuadBufferBuilder {
 impl QuadBufferBuilder {
     pub fn new() -> Self {
         Self {
-            ..Default::default()
+            vertex_data: Vec::new(),
+            index_data: Vec::new(),
+            current_quad: 0,
         }
     }
 
@@ -81,11 +83,7 @@ impl QuadBufferBuilder {
 
 impl Default for QuadBufferBuilder {
     fn default() -> Self {
-        Self {
-            vertex_data: Vec::new(),
-            index_data: Vec::new(),
-            current_quad: 0,
-        }
+        Self::new()
     }
 }
 

editor/src/window/keyboard_input.rs

@@ -1,4 +1,5 @@
-#[derive(Debug)]
+// note: the Default is that these are all False
+#[derive(Debug, Default)]
 pub struct Modifiers {
     pub shift: bool,
     pub ctrl: bool,
@@ -6,17 +7,6 @@ pub struct Modifiers {
     pub logo: bool,
 }
 
-impl Default for Modifiers {
-    fn default() -> Self {
-        Self {
-            shift: false,
-            ctrl: false,
-            alt: false,
-            logo: false,
-        }
-    }
-}
-
 impl Modifiers {
     pub fn cmd_or_ctrl(&self) -> bool {
         #[cfg(target_os = "macos")]