libstd: Remove all uses of `~str` from `libstd`

2 files changed, 6 insertions, 7 deletions

diff --git a/src/libsyntax/parse/lexer.rs b/src/libsyntax/parse/lexer.rs
index c78d2aaf3a7..5a7a816dbb3 100644
--- a/src/libsyntax/parse/lexer.rs
+++ b/src/libsyntax/parse/lexer.rs
@@ -589,13 +589,13 @@ fn scan_number(c: char, rdr: &mut StringReader) -> token::Token {
             bump(rdr);
             bump(rdr);
             check_float_base(rdr, start_bpos, rdr.last_pos, base);
-            return token::LIT_FLOAT(str_to_ident(num_str.into_owned()),
+            return token::LIT_FLOAT(str_to_ident(num_str.as_slice()),
                                     ast::TyF32);
         } else if c == '6' && n == '4' {
             bump(rdr);
             bump(rdr);
             check_float_base(rdr, start_bpos, rdr.last_pos, base);
-            return token::LIT_FLOAT(str_to_ident(num_str.into_owned()),
+            return token::LIT_FLOAT(str_to_ident(num_str.as_slice()),
                                     ast::TyF64);
             /* FIXME (#2252): if this is out of range for either a
             32-bit or 64-bit float, it won't be noticed till the
@@ -612,8 +612,7 @@ fn scan_number(c: char, rdr: &mut StringReader) -> token::Token {
     }
     if is_float {
         check_float_base(rdr, start_bpos, rdr.last_pos, base);
-        return token::LIT_FLOAT_UNSUFFIXED(str_to_ident(
-                num_str.into_owned()));
+        return token::LIT_FLOAT_UNSUFFIXED(str_to_ident(num_str.as_slice()));
     } else {
         if num_str.len() == 0u {
             fatal_span(rdr, start_bpos, rdr.last_pos,
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index 6bddb45201c..7d0276ae16f 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -4242,8 +4242,8 @@ impl<'a> Parser<'a> {
             Some(d) => (dir_path.join(d), true),
             None => {
                 let mod_name = mod_string.get().to_owned();
-                let default_path_str = mod_name + ".rs";
-                let secondary_path_str = mod_name + "/mod.rs";
+                let default_path_str = format!("{}.rs", mod_name);
+                let secondary_path_str = format!("{}/mod.rs", mod_name);
                 let default_path = dir_path.join(default_path_str.as_slice());
                 let secondary_path = dir_path.join(secondary_path_str.as_slice());
                 let default_exists = default_path.exists();
@@ -4310,7 +4310,7 @@ impl<'a> Parser<'a> {
                     err.push_str(" -> ");
                 }
                 err.push_str(path.display().as_maybe_owned().as_slice());
-                self.span_fatal(id_sp, err.into_owned());
+                self.span_fatal(id_sp, err.as_slice());
             }
             None => ()
         }