Remove graphviz::LabelText::* public reexport

Part of #19253

[breaking-change]

src/libgraphviz/lib.rs

@@ -168,10 +168,10 @@
 //!         dot::Id::new(format!("N{}", n)).unwrap()
 //!     }
 //!     fn node_label<'b>(&'b self, n: &Nd) -> dot::LabelText<'b> {
-//!         dot::LabelStr(self.nodes[*n].as_slice().into_cow())
+//!         dot::LabelText::LabelStr(self.nodes[*n].as_slice().into_cow())
 //!     }
 //!     fn edge_label<'b>(&'b self, _: &Ed) -> dot::LabelText<'b> {
-//!         dot::LabelStr("&sube;".into_cow())
+//!         dot::LabelText::LabelStr("&sube;".into_cow())
 //!     }
 //! }
 //!
@@ -225,10 +225,10 @@
 //!     }
 //!     fn node_label<'b>(&'b self, n: &Nd<'b>) -> dot::LabelText<'b> {
 //!         let &(i, _) = n;
-//!         dot::LabelStr(self.nodes[i].as_slice().into_cow())
+//!         dot::LabelText::LabelStr(self.nodes[i].as_slice().into_cow())
 //!     }
 //!     fn edge_label<'b>(&'b self, _: &Ed<'b>) -> dot::LabelText<'b> {
-//!         dot::LabelStr("&sube;".into_cow())
+//!         dot::LabelText::LabelStr("&sube;".into_cow())
 //!     }
 //! }
 //!
@@ -274,7 +274,7 @@
 #![feature(globs, slicing_syntax)]
 #![feature(unboxed_closures)]
 
-pub use self::LabelText::*;
+use self::LabelText::*;
 
 use std::borrow::IntoCow;
 use std::io;
@@ -586,8 +586,8 @@ pub fn render_opts<'a, N:Clone+'a, E:Clone+'a, G:Labeller<'a,N,E>+GraphWalk<'a,N
 #[cfg(test)]
 mod tests {
     use self::NodeLabels::*;
-    use super::{Id, LabelText, LabelStr, EscStr, Labeller};
-    use super::{Nodes, Edges, GraphWalk, render};
+    use super::{Id, Labeller, Nodes, Edges, GraphWalk, render};
+    use super::LabelText::{mod, LabelStr, EscStr};
     use std::io::IoResult;
     use std::str;
     use std::borrow::IntoCow;

src/librustc/middle/cfg/graphviz.rs

@@ -60,16 +60,16 @@ impl<'a, 'ast> dot::Labeller<'a, Node<'a>, Edge<'a>> for LabelledCFG<'a, 'ast> {
 
     fn node_label(&'a self, &(i, n): &Node<'a>) -> dot::LabelText<'a> {
         if i == self.cfg.entry {
-            dot::LabelStr("entry".into_cow())
+            dot::LabelText::LabelStr("entry".into_cow())
         } else if i == self.cfg.exit {
-            dot::LabelStr("exit".into_cow())
+            dot::LabelText::LabelStr("exit".into_cow())
         } else if n.data.id == ast::DUMMY_NODE_ID {
-            dot::LabelStr("(dummy_node)".into_cow())
+            dot::LabelText::LabelStr("(dummy_node)".into_cow())
         } else {
             let s = self.ast_map.node_to_string(n.data.id);
             // left-aligns the lines
             let s = replace_newline_with_backslash_l(s);
-            dot::EscStr(s.into_cow())
+            dot::LabelText::EscStr(s.into_cow())
         }
     }
 
@@ -87,7 +87,7 @@ impl<'a, 'ast> dot::Labeller<'a, Node<'a>, Edge<'a>> for LabelledCFG<'a, 'ast> {
             let s = replace_newline_with_backslash_l(s);
             label.push_str(format!("exiting scope_{} {}", i, s[])[]);
         }
-        dot::EscStr(label.into_cow())
+        dot::LabelText::EscStr(label.into_cow())
     }
 }
 

src/librustc_borrowck/graphviz.rs

@@ -137,8 +137,8 @@ impl<'a, 'tcx> dot::Labeller<'a, Node<'a>, Edge<'a>> for DataflowLabeller<'a, 't
         let suffix = self.dataflow_for(dataflow::Exit, n);
         let inner_label = self.inner.node_label(n);
         inner_label
-            .prefix_line(dot::LabelStr(prefix.into_cow()))
-            .suffix_line(dot::LabelStr(suffix.into_cow()))
+            .prefix_line(dot::LabelText::LabelStr(prefix.into_cow()))
+            .suffix_line(dot::LabelText::LabelStr(suffix.into_cow()))
     }
     fn edge_label(&'a self, e: &Edge<'a>) -> dot::LabelText<'a> { self.inner.edge_label(e) }
 }