core: Store reexporting result and either. Closes #1997

src/libcore/comm.rs

@@ -24,8 +24,7 @@ io::println(comm::recv(p));
 ~~~
 "];
 
-import sys;
-import task;
+import either::either;
 
 export send;
 export recv;

src/libcore/core.rs

@@ -4,8 +4,6 @@
 
 import option::{some, none};
 import option = option::option;
-import either = either::either;
-import result = result::result;
 import path = path::path;
 import vec::vec_len;
 export path, option, some, none, vec_len, unreachable;

src/libcore/either.rs

@@ -1,5 +1,7 @@
 #[doc = "A type that represents one of two alternatives"];
 
+import result::result;
+
 #[doc = "The either type"]
 enum either<T, U> {
     left(T),

src/libcore/future.rs

@@ -11,6 +11,8 @@ io::println(#fmt(\"fib(5000) = %?\", delayed_fib.get()))
 ~~~
 "];
 
+import either::either;
+
 export future;
 export future::{};
 export from_value;

src/libcore/io.rs

@@ -4,6 +4,8 @@ Module: io
 Basic input/output
 */
 
+import result::result;
+
 import libc::{c_int, c_uint, c_void, size_t, ssize_t};
 import libc::consts::os::posix88::*;
 import libc::consts::os::extra::*;

src/libcore/result.rs

@@ -1,5 +1,7 @@
 #[doc = "A type representing either success or failure"];
 
+import either::either;
+
 #[doc = "The result type"]
 enum result<T, U> {
     #[doc = "Contains the successful result value"]

src/libcore/task.rs

@@ -22,6 +22,8 @@ spawn {||
 ~~~
 "];
 
+import result::result;
+
 export task;
 export task_result;
 export notification;

src/libstd/json.rs

@@ -3,7 +3,7 @@
 
 #[doc = "json serialization"];
 
-import result::{ok, err};
+import result::{result, ok, err};
 import io;
 import io::{reader_util, writer_util};
 import map;

src/libstd/test.rs

@@ -5,6 +5,7 @@
 // simplest interface possible for representing and running tests
 // while providing a base that other test frameworks may build off of.
 
+import either::either;
 import result::{ok, err};
 import io::writer_util;
 

src/rustc/front/attr.rs

@@ -2,6 +2,7 @@
 
 import std::map;
 import std::map::hashmap;
+import either::either;
 import syntax::{ast, ast_util};
 import driver::session::session;
 

src/rustc/middle/ty.rs

@@ -1,4 +1,5 @@
 import std::{ufind, map, smallintmap};
+import result::result;
 import std::map::hashmap;
 import driver::session;
 import session::session;

src/rustc/middle/typeck.rs

@@ -1,3 +1,4 @@
+import result::result;
 import syntax::{ast, ast_util};
 import ast::spanned;
 import syntax::ast_util::{local_def, respan};

src/rustc/syntax/parse/parser.rs

@@ -1,4 +1,5 @@
-import either::{left, right};
+import result::result;
+import either::{either, left, right};
 import std::map::{hashmap, str_hash};
 import token::can_begin_expr;
 import codemap::{span,fss_none};

src/rustc/util/filesearch.rs

@@ -2,6 +2,7 @@
 // FIXME: I'm not happy how this module turned out. Should probably
 // just be folded into cstore.
 
+import result::result;
 export filesearch;
 export mk_filesearch;
 export pick;

src/rustdoc/config.rs

@@ -1,3 +1,4 @@
+import result::result;
 import std::getopts;
 
 export output_format;