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BufferLocalsRenderState

lattice_host::render_state

Struct BufferLocalsRenderState 

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pub struct BufferLocalsRenderState {
    pub map: Arc<HashMap<BufferId, Arc<BufferLocals>>>,
}
Expand description

Buffer-locals per buffer. Slice 3c.final.B.9 — drops the per-frame read_editor(|e| e.buffer_locals.get(&buf).and_then(...)) chain in the modeline, help-render, file-tree, and oil paint paths to a wait-free Arc-bump lookup off the published snapshot.

Outer Arc<HashMap<...>> for cheap clone-on-publish; per-entry Arc<BufferLocals> so reads don’t clone the typed-map body. Mutation surface (mode on_activate / on_deactivate setters, pulled-diagnostics writes, file-tree refresh) deep-clones each modified entry via BufferLocals::clone and replaces the Arc; reads stay wait-free under concurrent mutation.

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§map: Arc<HashMap<BufferId, Arc<BufferLocals>>>

Trait Implementations§

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impl Clone for BufferLocalsRenderState

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fn clone(&self) -> BufferLocalsRenderState

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for BufferLocalsRenderState

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for BufferLocalsRenderState

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fn default() -> BufferLocalsRenderState

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

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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