fix some more doctest errors

src/draw.rs

@@ -1,4 +1,20 @@
-use crate::{*, space::*};
+use crate::*;
+pub use crate::space::*;
+
+/// Implement the [Draw] trait for a particular drawable and [Screen].
+///
+/// ```
+/// use tengri::{*, draw::*, term::*};
+/// struct MyDrawable;
+/// impl_draw!(|self: MyDrawable, to: Tui|{
+///   todo!()
+/// });
+/// ```
+#[macro_export] macro_rules! impl_draw ((|
+    $self:ident:$Self:ty, $to:ident:$To:ty
+|$draw:block)=>{ impl Draw<$To> for $Self {
+    fn draw ($self, $to: &mut $To) -> Usually<XYWH<u16>> $draw
+} });
 
 /// Drawable that supports dynamic dispatch.
 ///
@@ -13,12 +29,14 @@ use crate::{*, space::*};
 /// a [Draw]able.
 /// 
 /// ```
-/// use tengri::{*, draw::*, space::*};
+/// use tengri::{*, draw::*};
 /// struct TestScreen(bool);
 /// impl Screen for TestScreen { type Unit = u16; }
+/// impl X<u16> for TestScreen { fn x (&self) -> u16 { 0 } }
+/// impl Y<u16> for TestScreen { fn y (&self) -> u16 { 0 } }
 /// struct TestWidget(bool);
 /// impl Draw<TestScreen> for TestWidget {
-///     fn draw (&self, screen: &mut TestScreen) -> Usually<XYWH<u16>> {
+///     fn draw (self, screen: &mut TestScreen) -> Usually<XYWH<u16>> {
 ///         screen.0 |= self.0;
 ///     }
 /// }
@@ -90,11 +108,11 @@ pub const fn either <T: Screen> (condition: bool, a: impl Draw<T>, b: impl Draw<
 /// Output target.
 ///
 /// ```
-/// use tengri::draw::*;
+/// use tengri::{*, draw::*};
 ///
 /// struct TestOut<T: Screen<Unit = u16>>(T);
 ///
-/// impl<T: Screen<Unit = u16>> Screen<T> for TestOut {
+/// impl<T: Screen<Unit = u16>> Screen for TestOut {
 ///     type Unit = u16;
 ///     fn place_at <D: Draw<Self> + ?Sized> (&mut self, area: T, _: D) {
 ///         println!("placed: {area:?}");
@@ -102,11 +120,9 @@ pub const fn either <T: Screen> (condition: bool, a: impl Draw<T>, b: impl Draw<
 ///     }
 /// }
 ///
-/// impl Draw<Screen> for String {
+/// impl_draw!(|self: String, to: TestOut<u16>|{
-///     fn draw (&self, to: &mut TestOut) -> Usually<XYWH<u16>> {
 ///    to.area_mut().set_w(self.len() as u16);
-///     }
+/// });
-/// }
 /// ```
 pub trait Screen: Space<Self::Unit> + Send + Sync + Sized {
     type Unit: Coord;

src/eval.rs

@@ -59,7 +59,7 @@ macro_rules! eval_enum ((
 /// Interpret layout operation.
 ///
 /// ```
-/// # use tengri::{*, space::*};
+/// # use tengri::{lang::*, draw::*, eval::*};
 /// struct Target { xywh: XYWH<u16> /*platform-specific*/}
 /// impl tengri::Out for Target {
 ///     type Unit = u16;
@@ -162,7 +162,7 @@ pub fn eval_view <'a, O: Screen + 'a, S> (
 /// Interpret TUI-specific layout operation.
 ///
 /// ```
-/// use tengri::{lang::{Namespace, Interpret}, term::Tui, ratatui::prelude::Color};
+/// use tengri::{lang::*, term::*, eval::*, ratatui::prelude::Color};
 ///
 /// struct State;
 /// impl<'b> Namespace<'b, bool>    for State {}