Struct rustc::infer::lexical_region_resolve::graphviz::ConstraintGraph

struct ConstraintGraph<'a, 'gcx: 'a + 'tcx, 'tcx: 'a> {
    graph_name: String,
    region_rels: &'a RegionRelations<'a, 'gcx, 'tcx>,
    map: &'a BTreeMap<Constraint<'tcx>, SubregionOrigin<'tcx>>,
    node_ids: FxHashMap<Node, usize>,
}

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Fields

graph_name: String

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region_rels: &'a RegionRelations<'a, 'gcx, 'tcx>

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map: &'a BTreeMap<Constraint<'tcx>, SubregionOrigin<'tcx>>

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node_ids: FxHashMap<Node, usize>

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Methods

impl<'a, 'gcx, 'tcx> ConstraintGraph<'a, 'gcx, 'tcx>

fn new(     name: String,     region_rels: &'a RegionRelations<'a, 'gcx, 'tcx>,     map: &'a BTreeMap<Constraint<'tcx>, SubregionOrigin<'tcx>> ) -> ConstraintGraph<'a, 'gcx, 'tcx>

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Trait Implementations

impl<'a, 'gcx, 'tcx> Labeller<'a> for ConstraintGraph<'a, 'gcx, 'tcx>

type Node = Node

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type Edge = Edge<'tcx>

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fn graph_id(&self) -> Id

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Must return a DOT compatible identifier naming the graph.

fn node_id(&self, n: &Node) -> Id

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Maps n to a unique identifier with respect to self. The implementor is responsible for ensuring that the returned name is a valid DOT identifier.

fn node_label(&self, n: &Node) -> LabelText

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Maps n to a label that will be used in the rendered output. The label need not be unique, and may be the empty string; the default is just the output from node_id.

fn edge_label(&self, e: &Edge) -> LabelText

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Maps e to a label that will be used in the rendered output. The label need not be unique, and may be the empty string; the default is in fact the empty string.

fn node_shape(&'a self, _node: &Self::Node) -> Option<LabelText<'a>>

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Maps n to one of the [graphviz shape names][1]. If None is returned, no shape attribute is specified.

fn node_style(&'a self, _n: &Self::Node) -> Style

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Maps n to a style that will be used in the rendered output.

fn edge_style(&'a self, _e: &Self::Edge) -> Style

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Maps e to a style that will be used in the rendered output.

impl<'a, 'gcx, 'tcx> GraphWalk<'a> for ConstraintGraph<'a, 'gcx, 'tcx>

type Node = Node

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type Edge = Edge<'tcx>

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fn nodes(&self) -> Nodes<Node>

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Returns all the nodes in this graph.

fn edges(&self) -> Edges<Edge<'tcx>>

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Returns all of the edges in this graph.

fn source(&self, edge: &Edge<'tcx>) -> Node

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The source node for edge.

fn target(&self, edge: &Edge<'tcx>) -> Node

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The target node for edge.