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error[E0277]: `T` cannot be sent between threads safely
--> $DIR/typeck-default-trait-impl-send-param.rs:5:15
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LL | is_send::<T>()
| ^ `T` cannot be sent between threads safely
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note: required by a bound in `is_send`
--> $DIR/typeck-default-trait-impl-send-param.rs:8:14
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LL | fn is_send<T:Send>() {
| ^^^^ required by this bound in `is_send`
help: consider restricting type parameter `T` with trait `Send`
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LL | fn foo<T: std::marker::Send>() {
| +++++++++++++++++++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.
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