Move lexer::lex_source in to tests module

OddBloke · OddBloke · commit 76a19d35be22 · 2018-08-10T17:10:42.000-04:00
That's the only place it is used; this fixes a warning.
diff --git a/parser/src/lexer.rs b/parser/src/lexer.rs
@@ -1,6 +1,5 @@
 pub use super::token::Tok;
 use std::collections::HashMap;
-use std::iter::FromIterator;
 use std::str::CharIndices;
 use std::str::FromStr;
 
@@ -22,11 +21,6 @@ pub enum LexicalError {
 
 pub type Spanned<Tok> = Result<(usize, Tok, usize), LexicalError>;
 
-pub fn lex_source(source: &String) -> Vec<Tok> {
-    let lexer = Lexer::new(source);
-    Vec::from_iter(lexer.map(|x| x.unwrap().1))
-}
-
 impl<'input> Lexer<'input> {
     pub fn new(input: &'input str) -> Self {
         let mut lxr = Lexer {
@@ -676,13 +670,18 @@ impl<'input> Iterator for Lexer<'input> {
 
 #[cfg(test)]
 mod tests {
-    use super::Tok;
-    use super::lex_source;
+    use super::{Lexer, Tok};
+    use std::iter::FromIterator;
 
     const WINDOWS_EOL: &str = "\r\n";
     const MAC_EOL: &str = "\r";
     const UNIX_EOL: &str = "\n";
 
+    pub fn lex_source(source: &String) -> Vec<Tok> {
+        let lexer = Lexer::new(source);
+        Vec::from_iter(lexer.map(|x| x.unwrap().1))
+    }
+
     macro_rules! test_line_comment {
         ($($name:ident: $eol:expr,)*) => {
             $(
