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stdlib: Reindent list.rs

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This commit is contained in:
Brian Anderson 2011-05-21 22:11:42 -04:00
parent d4f5f69930
commit 1e9aef828c
1 changed files with 30 additions and 30 deletions
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60
src/lib/list.rs
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@ -11,49 +11,49 @@
}
fn foldl[T,U](&list[T] ls, &U u, fn(&T t, &U u) -> U f) -> U {
alt(ls) {
case (cons[T](?hd, ?tl)) {
auto u_ = f(hd, u);
// FIXME: should use 'be' here, not 'ret'. But parametric
// tail calls currently don't work.
ret foldl[T,U](*tl, u_, f);
alt(ls) {
case (cons[T](?hd, ?tl)) {
auto u_ = f(hd, u);
// FIXME: should use 'be' here, not 'ret'. But parametric
// tail calls currently don't work.
ret foldl[T,U](*tl, u_, f);
}
case (nil[T]) {
ret u;
}
}
case (nil[T]) {
ret u;
}
}
fail; // TODO: remove me when exhaustiveness checking works
fail; // TODO: remove me when exhaustiveness checking works
}
fn find[T,U](&list[T] ls,
(fn(&T) -> option::t[U]) f) -> option::t[U] {
alt(ls) {
case (cons[T](?hd, ?tl)) {
alt (f(hd)) {
case (none[U]) {
// FIXME: should use 'be' here, not 'ret'. But parametric tail
// calls currently don't work.
ret find[T,U](*tl, f);
}
case (some[U](?res)) {
ret some[U](res);
alt(ls) {
case (cons[T](?hd, ?tl)) {
alt (f(hd)) {
case (none[U]) {
// FIXME: should use 'be' here, not 'ret'. But parametric
// tail calls currently don't work.
ret find[T,U](*tl, f);
}
case (some[U](?res)) {
ret some[U](res);
}
}
}
case (nil[T]) {
ret none[U];
}
}
case (nil[T]) {
ret none[U];
}
}
fail; // TODO: remove me when exhaustiveness checking works
fail; // TODO: remove me when exhaustiveness checking works
}
fn length[T](&list[T] ls) -> uint {
fn count[T](&T t, &uint u) -> uint {
ret u + 1u;
}
ret foldl[T,uint](ls, 0u, bind count[T](_, _));
fn count[T](&T t, &uint u) -> uint {
ret u + 1u;
}
ret foldl[T,uint](ls, 0u, bind count[T](_, _));
}
fn cdr[T](&list[T] ls) -> list[T] {