synth cleanup

Author: Leif-Rydenfalk

examples/synth/src/midi_keyboard.rs

@@ -392,7 +392,7 @@ impl MidiKeyboard {
     /// # Arguments
     /// * `config` - Configuration for the MIDI keyboard
     pub fn show(config: MidiKeyboardConfig) -> impl View {
-        focus(move |has_focus| {
+        focus(move |_| {
             let config = config.clone();
             state(
                 move || MidiKeyboardState::new(config.clone()),

examples/synth/src/synth/mod.rs

@@ -1,5 +1,5 @@
 use std::collections::HashMap;
-use std::time::{Duration, Instant};
+use std::time::Instant;
 
 use rodio::source::Source;
 use rodio::Sink;

examples/synth/src/synth/oscillator.rs

@@ -29,6 +29,7 @@ impl Default for OscillatorConfig {
     }
 }
 
+#[allow(dead_code)]
 impl OscillatorConfig {
     /// Create a new configuration with custom parameters
     pub fn new() -> Self {
@@ -188,6 +189,7 @@ pub struct Oscillator {
     analog_osc: AnalogOsc,
 }
 
+#[allow(dead_code)]
 impl Oscillator {
     /// Create oscillators for different wave types with default configuration
     pub fn sine(freq: f32) -> Self {