stdlib: Stop incurring vtable dispatch costs when hashmaps are used

This required changing almost all users of hashmaps to import the hashmap interface first.

The `size` member in the hashmap structure was renamed to `count` to work around a name conflict.

2 files changed, 2 insertions, 0 deletions

diff --git a/src/test/bench/shootout-mandelbrot.rs b/src/test/bench/shootout-mandelbrot.rs
index 984e8d78a18..6cf0d3e7ce3 100644
--- a/src/test/bench/shootout-mandelbrot.rs
+++ b/src/test/bench/shootout-mandelbrot.rs
@@ -14,6 +14,7 @@
 
 use std;
 import std::io::writer_util;
+import std::map::hashmap;
 
 type cmplx = {re: f64, im: f64};
 type line = {i: uint, b: [u8]};
diff --git a/src/test/bench/task-perf-word-count.rs b/src/test/bench/task-perf-word-count.rs
index a69a2d54c6f..d800b5e9a64 100644
--- a/src/test/bench/task-perf-word-count.rs
+++ b/src/test/bench/task-perf-word-count.rs
@@ -13,6 +13,7 @@ use std;
 import option = option;
 import option::{some, none};
 import std::{map, io, time};
+import std::map::hashmap;
 import io::reader_util;
 
 import comm::chan;