user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Implement Signed and Unsigned traits and remove related predicate functions

Browse source
This commit is contained in:
Brendan Zabarauskas 2013-04-23 17:59:49 +10:00
parent 706096b319
commit aef249056e
10 changed files with 328 additions and 178 deletions
Download patch file Download diff file Expand all files Collapse all files

18
src/test/run-pass/block-arg.rs
View file

@ -18,28 +18,28 @@ pub fn main() {
}
// Usable at all:
let mut any_negative = do vec::any(v) |e| { float::is_negative(*e) };
let mut any_negative = do vec::any(v) |e| { e.is_negative() };
assert!(any_negative);
// Higher precedence than assignments:
any_negative = do vec::any(v) |e| { float::is_negative(*e) };
any_negative = do vec::any(v) |e| { e.is_negative() };
assert!(any_negative);
// Higher precedence than unary operations:
let abs_v = do vec::map(v) |e| { float::abs(*e) };
assert!(do vec::all(abs_v) |e| { float::is_nonnegative(*e) });
assert!(!do vec::any(abs_v) |e| { float::is_negative(*e) });
let abs_v = do vec::map(v) |e| { e.abs() };
assert!(do vec::all(abs_v) |e| { e.is_positive() });
assert!(!do vec::any(abs_v) |e| { e.is_negative() });
// Usable in funny statement-like forms:
if !do vec::any(v) |e| { float::is_positive(*e) } {
if !do vec::any(v) |e| { e.is_positive() } {
assert!(false);
}
match do vec::all(v) |e| { float::is_negative(*e) } {
match do vec::all(v) |e| { e.is_negative() } {
true => { fail!(~"incorrect answer."); }
false => { }
}
match 3 {
_ if do vec::any(v) |e| { float::is_negative(*e) } => {
_ if do vec::any(v) |e| { e.is_negative() } => {
}
_ => {
fail!(~"wrong answer.");
@ -56,7 +56,7 @@ pub fn main() {
// In the tail of a block
let w =
if true { do vec::any(abs_v) |e| { float::is_nonnegative(*e) } }
if true { do vec::any(abs_v) |e| { e.is_positive() } }
else { false };
assert!(w);
}