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GridContext

Struct GridContext 

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pub struct GridContext { /* private fields */ }

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impl GridContext

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pub fn new( grids: Vec<Box4>, rows: Vec<Row>, size: Size, angle: i32, height: f64, ) -> Option<Self>

页面只准备一次网格及片段中心数据;拒绝特殊数值而不改变候选覆盖。

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pub fn expand(&mut self, candidate: &mut Candidate)

扩展后才参与候选合并;首见并列网格及页面旋转往返均保持原顺序。

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