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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /src/test/ui/try-operator.rs
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz
rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/try-operator.rs')
-rw-r--r--src/test/ui/try-operator.rs192
1 files changed, 0 insertions, 192 deletions
diff --git a/src/test/ui/try-operator.rs b/src/test/ui/try-operator.rs
deleted file mode 100644
index 516ae4c40..000000000
--- a/src/test/ui/try-operator.rs
+++ /dev/null
@@ -1,192 +0,0 @@
-// run-pass
-
-#![allow(dead_code)]
-
-use std::fs::File;
-use std::io::{Read, self};
-use std::num::ParseIntError;
-use std::str::FromStr;
-
-fn on_method() -> Result<i32, ParseIntError> {
- Ok("1".parse::<i32>()? + "2".parse::<i32>()?)
-}
-
-fn in_chain() -> Result<String, ParseIntError> {
- Ok("3".parse::<i32>()?.to_string())
-}
-
-fn on_call() -> Result<i32, ParseIntError> {
- fn parse<T: FromStr>(s: &str) -> Result<T, T::Err> {
- s.parse()
- }
-
- Ok(parse("4")?)
-}
-
-fn nested() -> Result<i32, ParseIntError> {
- Ok("5".parse::<i32>()?.to_string().parse()?)
-}
-
-fn on_path() -> Result<i32, ParseIntError> {
- let x = "6".parse::<i32>();
-
- Ok(x?)
-}
-
-fn on_macro() -> Result<i32, ParseIntError> {
- macro_rules! id {
- ($e:expr) => { $e }
- }
-
- Ok(id!("7".parse::<i32>())?)
-}
-
-fn on_parens() -> Result<i32, ParseIntError> {
- let x = "8".parse::<i32>();
-
- Ok((x)?)
-}
-
-fn on_block() -> Result<i32, ParseIntError> {
- let x = "9".parse::<i32>();
-
- Ok({x}?)
-}
-
-fn on_field() -> Result<i32, ParseIntError> {
- struct Pair<A, B> { a: A, b: B }
-
- let x = Pair { a: "10".parse::<i32>(), b: 0 };
-
- Ok(x.a?)
-}
-
-fn on_tuple_field() -> Result<i32, ParseIntError> {
- let x = ("11".parse::<i32>(), 0);
-
- Ok(x.0?)
-}
-
-fn on_try() -> Result<i32, ParseIntError> {
- let x = "12".parse::<i32>().map(|i| i.to_string().parse::<i32>());
-
- Ok(x??)
-}
-
-fn on_binary_op() -> Result<i32, ParseIntError> {
- let x = 13 - "14".parse::<i32>()?;
- let y = "15".parse::<i32>()? - 16;
- let z = "17".parse::<i32>()? - "18".parse::<i32>()?;
-
- Ok(x + y + z)
-}
-
-fn on_index() -> Result<i32, ParseIntError> {
- let x = [19];
- let y = "0".parse::<usize>();
-
- Ok(x[y?])
-}
-
-fn on_args() -> Result<i32, ParseIntError> {
- fn sub(x: i32, y: i32) -> i32 { x - y }
-
- let x = "20".parse();
- let y = "21".parse();
-
- Ok(sub(x?, y?))
-}
-
-fn on_if() -> Result<i32, ParseIntError> {
- Ok(if true {
- "22".parse::<i32>()
- } else {
- "23".parse::<i32>()
- }?)
-}
-
-fn on_if_let() -> Result<i32, ParseIntError> {
- Ok(if let Ok(..) = "24".parse::<i32>() {
- "25".parse::<i32>()
- } else {
- "26".parse::<i32>()
- }?)
-}
-
-fn on_match() -> Result<i32, ParseIntError> {
- Ok(match "27".parse::<i32>() {
- Err(..) => "28".parse::<i32>(),
- Ok(..) => "29".parse::<i32>(),
- }?)
-}
-
-fn tight_binding() -> Result<bool, ()> {
- fn ok<T>(x: T) -> Result<T, ()> { Ok(x) }
-
- let x = ok(true);
- Ok(!x?)
-}
-
-// just type check
-fn merge_error() -> Result<i32, Error> {
- let mut s = String::new();
-
- File::open("foo.txt")?.read_to_string(&mut s)?;
-
- Ok(s.parse::<i32>()? + 1)
-}
-
-fn main() {
- assert_eq!(Ok(3), on_method());
-
- assert_eq!(Ok("3".to_string()), in_chain());
-
- assert_eq!(Ok(4), on_call());
-
- assert_eq!(Ok(5), nested());
-
- assert_eq!(Ok(6), on_path());
-
- assert_eq!(Ok(7), on_macro());
-
- assert_eq!(Ok(8), on_parens());
-
- assert_eq!(Ok(9), on_block());
-
- assert_eq!(Ok(10), on_field());
-
- assert_eq!(Ok(11), on_tuple_field());
-
- assert_eq!(Ok(12), on_try());
-
- assert_eq!(Ok(-3), on_binary_op());
-
- assert_eq!(Ok(19), on_index());
-
- assert_eq!(Ok(-1), on_args());
-
- assert_eq!(Ok(22), on_if());
-
- assert_eq!(Ok(25), on_if_let());
-
- assert_eq!(Ok(29), on_match());
-
- assert_eq!(Ok(false), tight_binding());
-}
-
-enum Error {
- Io(io::Error),
- Parse(ParseIntError),
-}
-
-impl From<io::Error> for Error {
- fn from(e: io::Error) -> Error {
- Error::Io(e)
- }
-}
-
-impl From<ParseIntError> for Error {
- fn from(e: ParseIntError) -> Error {
- Error::Parse(e)
- }
-}