zng::widget::info

Struct WidgetDescendantsRange

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pub struct WidgetDescendantsRange { /* private fields */ }
Expand description

Represents the descendants of a widget, allows checking if widgets are descendant with O(1) time.

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impl WidgetDescendantsRange

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pub fn contains(&self, wgt: &WidgetInfo) -> bool

If the widget is a descendant.

Trait Implementations§

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impl Clone for WidgetDescendantsRange

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fn clone(&self) -> WidgetDescendantsRange

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Default for WidgetDescendantsRange

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fn default() -> WidgetDescendantsRange

Returns the “default value” for a type. Read more
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impl PartialEq for WidgetDescendantsRange

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fn eq(&self, other: &WidgetDescendantsRange) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for WidgetDescendantsRange

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impl StructuralPartialEq for WidgetDescendantsRange

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