18 lignes
526 B
Plaintext
18 lignes
526 B
Plaintext
Compiling futuretest v0.1.0 (file:///mnt/c/Users/Mahmoud/git/futuretest)
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error[E0277]: the trait bound `(): futures::Future` is not satisfied
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--> src/main.rs:17:1
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17 | / fn test() -> MapErr<(), ()> {
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18 | | future::ok(())
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19 | | .map_err(|String| ())
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20 | | }
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| |_^ the trait `futures::Future` is not implemented for `()`
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= note: required by `futures::MapErr`
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error: aborting due to previous error
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error: Could not compile `futuretest`.
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To learn more, run the command again with --verbose.
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