Merge pull request #4625 from thestinger/container

more little container improvements
This commit is contained in:
Tim Chevalier 2013-01-25 11:57:51 -08:00
commit 85a34c2898
33 changed files with 66 additions and 96 deletions

View File

@ -70,7 +70,7 @@ fn parse_config(args: ~[~str]) -> config {
getopts::optopt(~"logfile"),
getopts::optflag(~"jit")];
assert (vec::is_not_empty(args));
assert !args.is_empty();
let args_ = vec::tail(args);
let matches =
&match getopts::getopts(args_, opts) {

View File

@ -59,8 +59,8 @@ fn run_cfail_test(config: config, props: test_props, testfile: &Path) {
check_correct_failure_status(procres);
let expected_errors = errors::load_errors(testfile);
if vec::is_not_empty(expected_errors) {
if vec::is_not_empty(props.error_patterns) {
if !expected_errors.is_empty() {
if !props.error_patterns.is_empty() {
fatal(~"both error pattern and expected errors specified");
}
check_expected_errors(expected_errors, testfile, procres);
@ -440,7 +440,7 @@ fn compose_and_run_compiler(
args: procargs,
input: Option<~str>) -> procres {
if props.aux_builds.is_not_empty() {
if !props.aux_builds.is_empty() {
ensure_dir(&aux_output_dir_name(config, testfile));
}

View File

@ -190,7 +190,8 @@ pub use path::PosixPath;
pub use tuple::{CopyableTuple, ImmutableTuple, ExtendedTupleOps};
pub use str::{StrSlice, Trimmable};
pub use vec::{ConstVector, CopyableVector, ImmutableVector};
pub use container::{Container, Mutable};
pub use vec::{CopyableVector, ImmutableVector};
pub use vec::{ImmutableEqVector, ImmutableCopyableVector};
pub use vec::{OwnedVector, OwnedCopyableVector};
pub use iter::{BaseIter, ExtendedIter, EqIter, CopyableIter};

View File

@ -208,8 +208,6 @@ impl<T> DList<T> {
pure fn len(@self) -> uint { self.size }
/// Returns true if the list is empty. O(1).
pure fn is_empty(@self) -> bool { self.len() == 0 }
/// Returns true if the list is not empty. O(1).
pure fn is_not_empty(@self) -> bool { self.len() != 0 }
/// Add data to the head of the list. O(1).
fn push_head(@self, data: T) {
@ -648,8 +646,6 @@ fn test_dlist_is_empty() {
let full1 = from_vec(~[1,2,3]);
assert empty.is_empty();
assert !full1.is_empty();
assert !empty.is_not_empty();
assert full1.is_not_empty();
}
#[test]
fn test_dlist_head_tail() {

View File

@ -157,7 +157,7 @@ pub mod consts {
// turn digits into string
// using stack of digits
while fractionalParts.is_not_empty() {
while !fractionalParts.is_empty() {
// Bleh; shouldn't need to be unsafe
let mut adjusted_digit = carry + unsafe { fractionalParts.pop() };

View File

@ -29,7 +29,8 @@
pub use tuple::{CopyableTuple, ImmutableTuple, ExtendedTupleOps};
pub use str::{StrSlice, Trimmable};
pub use vec::{ConstVector, CopyableVector, ImmutableVector};
pub use container::{Container, Mutable};
pub use vec::{CopyableVector, ImmutableVector};
pub use vec::{ImmutableEqVector, ImmutableCopyableVector};
pub use vec::{OwnedVector, OwnedCopyableVector};
pub use iter::{BaseIter, ExtendedIter, EqIter, CopyableIter};

View File

@ -1419,9 +1419,6 @@ impl @str : Ord {
/// Returns true if the string has length 0
pub pure fn is_empty(s: &str) -> bool { len(s) == 0u }
/// Returns true if the string has length greater than 0
pub pure fn is_not_empty(s: &str) -> bool { !is_empty(s) }
/**
* Returns true if the string contains only whitespace
*
@ -2167,7 +2164,6 @@ pub trait StrSlice {
pure fn each_chari(it: fn(uint, char) -> bool);
pure fn ends_with(needle: &str) -> bool;
pure fn is_empty() -> bool;
pure fn is_not_empty() -> bool;
pure fn is_whitespace() -> bool;
pure fn is_alphanumeric() -> bool;
pure fn len() -> uint;
@ -2229,9 +2225,6 @@ impl &str: StrSlice {
/// Returns true if the string has length 0
#[inline]
pure fn is_empty() -> bool { is_empty(self) }
/// Returns true if the string has length greater than 0
#[inline]
pure fn is_not_empty() -> bool { is_not_empty(self) }
/**
* Returns true if the string contains only whitespace
*
@ -2739,12 +2732,6 @@ fn test_is_empty() {
assert (!is_empty(~"a"));
}
#[test]
fn test_is_not_empty() {
assert (is_not_empty(~"a"));
assert (!is_not_empty(~""));
}
#[test]
fn test_replace() {
let a = ~"a";

View File

@ -84,7 +84,7 @@ pub fn NonCopyable() -> NonCopyable { NonCopyable { i: () } }
~~~
fn choose_weighted_item(v: &[Item]) -> Item {
assert v.is_not_empty();
assert !v.is_empty();
let mut so_far = 0u;
for v.each |item| {
so_far += item.weight;

View File

@ -14,6 +14,7 @@
#[forbid(deprecated_pattern)];
#[warn(non_camel_case_types)];
use container::{Container, Mutable};
use cast::transmute;
use cast;
use cmp::{Eq, Ord};
@ -48,11 +49,6 @@ unsafe fn vec_reserve_shared(++t: *sys::TypeDesc,
as_const_buf(v, |_p, len| len == 0u)
}
/// Returns true if a vector contains some elements
pub pure fn is_not_empty<T>(v: &[const T]) -> bool {
as_const_buf(v, |_p, len| len > 0u)
}
/// Returns true if two vectors have the same length
pub pure fn same_length<T, U>(xs: &[const T], ys: &[const U]) -> bool {
len(xs) == len(ys)
@ -453,7 +449,7 @@ pub fn partition<T>(v: ~[T], f: fn(&T) -> bool) -> (~[T], ~[T]) {
/// Removes the first element from a vector and return it
pub fn shift<T>(v: &mut ~[T]) -> T {
unsafe {
assert v.is_not_empty();
assert !v.is_empty();
if v.len() == 1 { return v.pop() }
@ -1647,20 +1643,11 @@ impl<T: Copy> ~[mut T] : Add<&[const T],~[mut T]> {
}
}
pub trait ConstVector {
pure fn is_empty(&self) -> bool;
pure fn is_not_empty(&self) -> bool;
pure fn len(&self) -> uint;
}
/// Extension methods for vectors
impl<T> &[const T]: ConstVector {
impl<T> &[const T]: Container {
/// Returns true if a vector contains no elements
#[inline]
pure fn is_empty(&self) -> bool { is_empty(*self) }
/// Returns true if a vector contains some elements
#[inline]
pure fn is_not_empty(&self) -> bool { is_not_empty(*self) }
/// Returns the length of a vector
#[inline]
pure fn len(&self) -> uint { len(*self) }
@ -1949,6 +1936,11 @@ fn partition(self, f: fn(&T) -> bool) -> (~[T], ~[T]) {
}
}
impl<T> ~[T]: Mutable {
/// Clear the vector, removing all values.
fn clear(&mut self) { self.truncate(0) }
}
pub trait OwnedCopyableVector<T: Copy> {
fn push_all(&mut self, rhs: &[const T]);
fn grow(&mut self, n: uint, initval: &T);
@ -2518,12 +2510,6 @@ fn test_is_empty() {
assert (!is_empty(~[0]));
}
#[test]
fn test_is_not_empty() {
assert (is_not_empty(~[0]));
assert (!is_not_empty::<int>(~[]));
}
#[test]
fn test_len_divzero() {
type Z = [i8 * 0];
@ -2700,6 +2686,14 @@ fn test_truncate() {
// If the unsafe block didn't drop things properly, we blow up here.
}
#[test]
fn test_clear() {
let mut v = ~[@6,@5,@4];
v.clear();
assert(v.len() == 0);
// If the unsafe block didn't drop things properly, we blow up here.
}
#[test]
fn test_dedup() {
fn case(a: ~[uint], b: ~[uint]) {

View File

@ -167,7 +167,7 @@ fn get_relative_to(abs1: &Path, abs2: &Path) -> Path {
path.push_all(vec::view(split2, start_idx, len2 - 1));
if vec::is_not_empty(path) {
if !path.is_empty() {
return Path("").push_many(path);
} else {
return Path(".");

View File

@ -147,8 +147,8 @@ fn fold_item(cx: test_ctxt, &&i: @ast::item, fld: fold::ast_fold) ->
}
fn is_test_fn(i: @ast::item) -> bool {
let has_test_attr = attr::find_attrs_by_name(i.attrs,
~"test").is_not_empty();
let has_test_attr = !attr::find_attrs_by_name(i.attrs,
~"test").is_empty();
fn has_test_signature(i: @ast::item) -> bool {
match &i.node {
@ -171,7 +171,7 @@ fn is_ignored(cx: test_ctxt, i: @ast::item) -> bool {
let ignoreitems = attr::attr_metas(ignoreattrs);
let cfg_metas = vec::concat(vec::filter_map(ignoreitems,
|i| attr::get_meta_item_list(*i)));
return if vec::is_not_empty(ignoreitems) {
return if !ignoreitems.is_empty() {
config::metas_in_cfg(/*bad*/copy cx.crate.node.config, cfg_metas)
} else {
false

View File

@ -1331,7 +1331,7 @@ fn tys_str(names: type_names, outer: ~[TypeRef],
Struct => {
let n_elts = llvm::LLVMCountStructElementTypes(ty) as uint;
let mut elts = vec::from_elem(n_elts, 0 as TypeRef);
if elts.is_not_empty() {
if !elts.is_empty() {
llvm::LLVMGetStructElementTypes(
ty, ptr::to_mut_unsafe_ptr(&mut elts[0]));
}

View File

@ -95,7 +95,7 @@ fn warn_if_multiple_versions(e: env, diag: span_handler,
}
}));
assert matches.is_not_empty();
assert !matches.is_empty();
if matches.len() != 1u {
diag.handler().warn(
@ -168,7 +168,7 @@ fn visit_item(e: env, i: @ast::item) {
already_added = !cstore::add_used_library(cstore,
foreign_name);
}
if link_args.is_not_empty() && already_added {
if !link_args.is_empty() && already_added {
e.diag.span_fatal(i.span, ~"library '" + foreign_name +
~"' already added: can't specify link_args.");
}

View File

@ -1018,8 +1018,8 @@ fn synthesize_crate_attrs(ecx: @encode_ctxt, crate: &crate) -> ~[attribute] {
fn synthesize_link_attr(ecx: @encode_ctxt, +items: ~[@meta_item]) ->
attribute {
assert ecx.link_meta.name.is_not_empty();
assert ecx.link_meta.vers.is_not_empty();
assert !ecx.link_meta.name.is_empty();
assert !ecx.link_meta.vers.is_empty();
let name_item =
attr::mk_name_value_item_str(~"name",

View File

@ -179,7 +179,7 @@ fn crate_matches(crate_data: @~[u8], +metas: ~[@ast::meta_item],
hash: ~str) -> bool {
let attrs = decoder::get_crate_attributes(crate_data);
let linkage_metas = attr::find_linkage_metas(attrs);
if hash.is_not_empty() {
if !hash.is_empty() {
let chash = decoder::get_crate_hash(crate_data);
if chash != hash { return false; }
}

View File

@ -132,7 +132,7 @@ fn raw_pat(p: @pat) -> @pat {
}
fn check_exhaustive(cx: @MatchCheckCtxt, sp: span, pats: ~[@pat]) {
assert(pats.is_not_empty());
assert(!pats.is_empty());
let ext = match is_useful(cx, vec::map(pats, |p| ~[*p]), ~[wild()]) {
not_useful => return, // This is good, wildcard pattern isn't reachable
useful_ => None,

View File

@ -820,7 +820,7 @@ fn check_item_path_statement(cx: ty::ctxt, it: @ast::item) {
fn check_item_non_camel_case_types(cx: ty::ctxt, it: @ast::item) {
fn is_camel_case(cx: ty::ctxt, ident: ast::ident) -> bool {
let ident = cx.sess.str_of(ident);
assert ident.is_not_empty();
assert !ident.is_empty();
let ident = ident_without_trailing_underscores(ident);
let ident = ident_without_leading_underscores(ident);
char::is_uppercase(str::char_at(ident, 0)) &&

View File

@ -459,7 +459,7 @@ fn get_res_dtor(ccx: @crate_ctxt, did: ast::def_id,
parent_id: ast::def_id, substs: ~[ty::t])
-> ValueRef {
let _icx = ccx.insn_ctxt("trans_res_dtor");
if (substs.is_not_empty()) {
if !substs.is_empty() {
let did = if did.crate != ast::local_crate {
inline::maybe_instantiate_inline(ccx, did, true)
} else { did };

View File

@ -635,7 +635,7 @@ fn check_item(ccx: @crate_ctxt, it: @ast::item) {
} else {
for m.items.each |item| {
let tpt = ty::lookup_item_type(ccx.tcx, local_def(item.id));
if (*tpt.bounds).is_not_empty() {
if !tpt.bounds.is_empty() {
ccx.tcx.sess.span_err(
item.span,
fmt!("foreign items may not have type parameters"));

View File

@ -356,7 +356,7 @@ fn check_main_fn_ty(ccx: @crate_ctxt,
Some(ast_map::node_item(it,_)) => {
match it.node {
ast::item_fn(_, _, ref ps, _)
if vec::is_not_empty(*ps) => {
if !ps.is_empty() => {
tcx.sess.span_err(
main_span,
~"main function is not allowed \

View File

@ -127,7 +127,7 @@ pub fn parse_hidden(+attrs: ~[ast::attribute]) -> bool {
match attr::get_meta_item_list(*meta) {
Some(metas) => {
let hiddens = attr::find_meta_items_by_name(metas, ~"hidden");
vec::is_not_empty(hiddens)
!hiddens.is_empty()
}
None => false
}

View File

@ -143,7 +143,7 @@ fn parse_desc(desc: ~str) -> Option<~str> {
fn first_sentence(s: ~str) -> Option<~str> {
let paras = paragraphs(s);
if vec::is_not_empty(paras) {
if !paras.is_empty() {
let first_para = vec::head(paras);
Some(str::replace(first_sentence_(first_para), ~"\n", ~" "))
} else {
@ -193,7 +193,7 @@ fn paragraphs(s: ~str) -> ~[~str] {
whitespace_lines += 1;
} else {
if whitespace_lines > 0 {
if str::is_not_empty(accum) {
if !accum.is_empty() {
res += ~[accum];
accum = ~"";
}
@ -211,7 +211,7 @@ fn paragraphs(s: ~str) -> ~[~str] {
res
};
if str::is_not_empty(accum) {
if !accum.is_empty() {
paras + ~[accum]
} else {
paras

View File

@ -78,7 +78,7 @@ fn unindent(s: ~str) -> ~str {
}
};
if vec::is_not_empty(lines) {
if !lines.is_empty() {
let unindented = ~[str::trim(vec::head(lines))]
+ do par::map(vec::tail(lines)) |line| {
if str::is_whitespace(*line) {

View File

@ -402,7 +402,7 @@ pub impl BigUint {
}
pure fn is_zero(&self) -> bool { self.data.is_empty() }
pure fn is_not_zero(&self) -> bool { self.data.is_not_empty() }
pure fn is_not_zero(&self) -> bool { !self.data.is_empty() }
pure fn is_positive(&self) -> bool { self.is_not_zero() }
pure fn is_negative(&self) -> bool { false }
pure fn is_nonpositive(&self) -> bool { self.is_zero() }

View File

@ -599,7 +599,7 @@ fn try_recv(&self, count: uint) -> Option<~[u8]> {
} else if self.buf.is_empty() {
match self.port.try_recv() {
Some(move buf) => {
assert buf.is_not_empty();
assert !buf.is_empty();
self.buf = move buf;
return self.try_recv(count);
}
@ -904,7 +904,7 @@ fn reader_port_loader(bytes: ~[u8]
fn pipe_port_loader(bytes: ~[u8]
) -> pod::PipePort<int> {
let (port, chan) = pipes::stream();
if bytes.is_not_empty() {
if !bytes.is_empty() {
chan.send(move bytes);
}
pod::pipe_port(move port)

View File

@ -45,7 +45,7 @@
* }
*
* fn main(args: ~[str]) {
* check vec::is_not_empty(args);
* check !args.is_empty()
*
* let program : str = vec::head(args);
*
@ -63,7 +63,7 @@
* return;
* }
* let output = opt_maybe_str(matches, "o");
* let input = if vec::is_not_empty(matches.free) {
* let input = if !matches.free.is_empty() {
* matches.free[0]
* } else {
* print_usage(program);
@ -357,7 +357,7 @@ fn opt_vals(mm: &Matches, nm: &str) -> ~[Optval] {
/// Returns true if an option was matched
pub fn opt_present(mm: &Matches, nm: &str) -> bool {
opt_vals(mm, nm).is_not_empty()
!opt_vals(mm, nm).is_empty()
}
/// Returns the number of times an option was matched

View File

@ -83,11 +83,6 @@ pub fn has<T: Copy Eq>(ls: @List<T>, elt: T) -> bool {
}
}
/// Returns true if the list is not empty
pub pure fn is_not_empty<T: Copy>(ls: @List<T>) -> bool {
return !is_empty(ls);
}
/// Returns the length of a list
pub pure fn len<T>(ls: @List<T>) -> uint {
let mut count = 0u;
@ -177,10 +172,6 @@ fn test_is_empty() {
assert is_empty(empty);
assert !is_empty(full1);
assert !is_empty(full2);
assert !is_not_empty(empty);
assert is_not_empty(full1);
assert is_not_empty(full2);
}
#[test]

View File

@ -245,7 +245,7 @@ fn contains_name(metas: &[@ast::meta_item], name: &str) -> bool {
}
fn attrs_contains_name(attrs: &[ast::attribute], name: &str) -> bool {
vec::is_not_empty(find_attrs_by_name(attrs, name))
!find_attrs_by_name(attrs, name).is_empty()
}
fn first_attr_value_str_by_name(attrs: ~[ast::attribute], name: ~str)

View File

@ -192,7 +192,7 @@ fn diagnosticcolor(lvl: level) -> u8 {
fn print_diagnostic(topic: ~str, lvl: level, msg: &str) {
let use_color = term::color_supported() &&
io::stderr().get_type() == io::Screen;
if str::is_not_empty(topic) {
if !topic.is_empty() {
io::stderr().write_str(fmt!("%s ", topic));
}
if use_color {

View File

@ -2237,7 +2237,7 @@ fn parse_stmt(+first_item_attrs: ~[attribute]) -> @stmt {
fn check_expected_item(p: Parser, current_attrs: ~[attribute]) {
// If we have attributes then we should have an item
if vec::is_not_empty(current_attrs) {
if !current_attrs.is_empty() {
p.fatal(~"expected item after attrs");
}
}

View File

@ -532,7 +532,7 @@ fn print_item(s: ps, &&item: @ast::item) {
ast::item_impl(tps, opt_trait, ty, methods) => {
head(s, visibility_qualified(item.vis, ~"impl"));
if tps.is_not_empty() {
if !tps.is_empty() {
print_type_params(s, tps);
space(s.s);
}
@ -770,7 +770,7 @@ fn print_variant(s: ps, v: ast::variant) {
match v.node.kind {
ast::tuple_variant_kind(args) => {
print_ident(s, v.node.name);
if args.is_not_empty() {
if !args.is_empty() {
popen(s);
fn print_variant_arg(s: ps, arg: ast::variant_arg) {
print_type(s, arg.ty);
@ -1054,7 +1054,7 @@ fn print_call_post(s: ps,
has_block: bool,
blk: &Option<@ast::expr>,
base_args: &mut ~[@ast::expr]) {
if !has_block || base_args.is_not_empty() {
if !has_block || !base_args.is_empty() {
popen(s);
commasep_exprs(s, inconsistent, *base_args);
pclose(s);
@ -1564,7 +1564,7 @@ fn print_pat(s: ps, &&pat: @ast::pat, refutable: bool) {
match args_ {
None => word(s.s, ~"(*)"),
Some(args) => {
if args.is_not_empty() {
if !args.is_empty() {
popen(s);
commasep(s, inconsistent, args,
|s, p| print_pat(s, p, refutable));
@ -1762,7 +1762,7 @@ fn print_arg_mode(s: ps, m: ast::mode) {
}
fn print_bounds(s: ps, bounds: @~[ast::ty_param_bound]) {
if bounds.is_not_empty() {
if !bounds.is_empty() {
word(s.s, ~":");
let mut first = true;
for vec::each(*bounds) |&bound| {
@ -1855,7 +1855,7 @@ fn print_view_item(s: ps, item: @ast::view_item) {
ast::view_item_use(id, mta, _) => {
head(s, ~"extern mod");
print_ident(s, id);
if mta.is_not_empty() {
if !mta.is_empty() {
popen(s);
commasep(s, consistent, mta, print_meta_item);
pclose(s);
@ -2101,7 +2101,7 @@ fn print_comment(s: ps, cmnt: comments::cmnt) {
for cmnt.lines.each |line| {
// Don't print empty lines because they will end up as trailing
// whitespace
if str::is_not_empty(*line) { word(s.s, *line); }
if !line.is_empty() { word(s.s, *line); }
hardbreak(s.s);
}
}
@ -2113,7 +2113,7 @@ fn print_comment(s: ps, cmnt: comments::cmnt) {
} else {
ibox(s, 0u);
for cmnt.lines.each |line| {
if str::is_not_empty(*line) { word(s.s, *line); }
if !line.is_empty() { word(s.s, *line); }
hardbreak(s.s);
}
end(s);

View File

@ -23,7 +23,7 @@
pure fn nonempty_list<T: Copy>(ls: @List<T>) -> bool { pure_length(ls) > 0u }
fn safe_head<T: Copy>(ls: @List<T>) -> T {
assert is_not_empty(ls);
assert !is_empty(ls);
return head(ls);
}

View File

@ -10,7 +10,7 @@
// In this case, the code should compile and should
// succeed at runtime
use vec::{head, is_not_empty, last, same_length, zip};
use vec::{head, last, same_length, zip};
fn enum_chars(start: u8, end: u8) -> ~[char] {
assert start < end;