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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 |
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 |
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /src/test/ui/impl-trait/example-st.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip | |
Move /src/test to /tests
Diffstat (limited to 'src/test/ui/impl-trait/example-st.rs')
| -rw-r--r-- | src/test/ui/impl-trait/example-st.rs | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/src/test/ui/impl-trait/example-st.rs b/src/test/ui/impl-trait/example-st.rs deleted file mode 100644 index 4e1aa3a0859..00000000000 --- a/src/test/ui/impl-trait/example-st.rs +++ /dev/null @@ -1,30 +0,0 @@ -// run-pass - -struct State; -type Error = (); - -trait Bind<F> { - type Output; - fn bind(self, f: F) -> Self::Output; -} - -fn bind<T, U, A, B, F>(mut a: A, mut f: F) - -> impl FnMut(&mut State) -> Result<U, Error> -where F: FnMut(T) -> B, - A: FnMut(&mut State) -> Result<T, Error>, - B: FnMut(&mut State) -> Result<U, Error> -{ - move |state | { - let r = a(state)?; - f(r)(state) - } -} - -fn atom<T>(x: T) -> impl FnMut(&mut State) -> Result<T, Error> { - let mut x = Some(x); - move |_| x.take().map_or(Err(()), Ok) -} - -fn main() { - assert_eq!(bind(atom(5), |x| atom(x > 4))(&mut State), Ok(true)); -} |
