Stimulus: replace Gated with a type alias

crates/coremem/src/stim.rs

@@ -477,7 +477,7 @@ pub trait StimExt<R>: Sized {
         Shifted::new(self, new_start)
     }
     fn gated(self, from: R, to: R) -> Gated<R, Self> {
-        Gated::new(self, from, to)
+        Gated::new(Pulse::new(from, to), self)
     }
     fn scaled<T: TimeVarying<R>>(self, scale: T) -> Scaled<Self, T> {
         Scaled::new(self, scale)
@@ -552,11 +552,11 @@ impl<R: Real> Sinusoid<R> {
     }
     pub fn one_cycle(self) -> Gated<R, Self> {
         let wl = self.wavelength();
-        Gated::new(self, R::zero(), wl)
+        self.gated(R::zero(), wl)
     }
     pub fn half_cycle(self) -> Gated<R, Self> {
         let wl = self.wavelength();
-        Gated::new(self, R::zero(), R::half() * wl)
+        self.gated(R::zero(), R::half() * wl)
     }
 }
 
@@ -623,28 +623,7 @@ impl<R: Real> TimeVarying<R> for Pulse<R> {
 }
 
 
-// TODO: this can be replaced with a ModulatedVectorField
-#[derive(Clone)]
-pub struct Gated<R, T> {
-    active: Pulse<R>,
-    inner: T,
-}
-
-impl<R, T> Gated<R, T> {
-    pub fn new(inner: T, start: R, end: R) -> Self {
-        Self { inner, active: Pulse::new(start, end) }
-    }
-}
-
-impl<R: Real, T: TimeVarying<R>> TimeVarying<R> for Gated<R, T> {
-    fn at(&self, t_sec: R) -> FieldMags<R> {
-        if self.active.contains(t_sec) {
-            self.inner.at(t_sec)
-        } else {
-            Default::default()
-        }
-    }
-}
+pub type Gated<R, T> = Scaled<Pulse<R>, T>;
 
 #[derive(Clone)]
 pub struct Shifted<R, T> {