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-rw-r--r--src/test/ui/try-trait/try-as-monad.rs24
1 files changed, 0 insertions, 24 deletions
diff --git a/src/test/ui/try-trait/try-as-monad.rs b/src/test/ui/try-trait/try-as-monad.rs
deleted file mode 100644
index cf09838b3..000000000
--- a/src/test/ui/try-trait/try-as-monad.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-// run-pass
-
-#![feature(try_trait_v2)]
-
-use std::ops::Try;
-
-fn monad_unit<T: Try>(x: <T as Try>::Output) -> T {
- T::from_output(x)
-}
-
-fn monad_bind<T1: Try<Residual = R>, T2: Try<Residual = R>, R>(
- mx: T1,
- f: impl FnOnce(<T1 as Try>::Output) -> T2)
--> T2 {
- let x = mx?;
- f(x)
-}
-
-fn main() {
- let mx: Option<i32> = monad_unit(1);
- let my = monad_bind(mx, |x| Some(x + 1));
- let mz = monad_bind(my, |x| Some(-x));
- assert_eq!(mz, Some(-2));
-}