Merge pull request #765 from jbcrail/fix-warnings

Fix "private type in public interface" warnings

src/expr/syntax_tree.rs

@@ -15,7 +15,7 @@
 use tokens::{Token};
 
 type TokenStack = Vec<(usize, Token)>;
-type OperandsList = Vec< Box<ASTNode> >;
+pub type OperandsList = Vec< Box<ASTNode> >;
 
 #[derive(Debug)]
 pub enum ASTNode {

src/fmt/parasplit.rs

@@ -58,7 +58,7 @@ impl Line {
 // each line's prefix has to be considered to know whether to merge it with
 // the next line or not
 #[derive(Debug)]
-struct FileLine {
+pub struct FileLine {
     line       : String,
     indent_end : usize,     // the end of the indent, always the start of the text
     pfxind_end : usize,     // the end of the PREFIX's indent, that is, the spaces before the prefix