Make sure constructors functions are type checked correctly
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71
src/test/ui/nll/user-annotations/adt-tuple-struct-calls.rs
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71
src/test/ui/nll/user-annotations/adt-tuple-struct-calls.rs
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// Unit test for the "user substitutions" that are annotated on each
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// node.
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struct SomeStruct<T>(T);
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fn no_annot() {
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let c = 66;
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let f = SomeStruct;
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f(&c);
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}
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fn annot_underscore() {
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let c = 66;
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let f = SomeStruct::<_>;
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f(&c);
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}
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fn annot_reference_any_lifetime() {
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let c = 66;
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let f = SomeStruct::<&u32>;
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f(&c);
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}
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fn annot_reference_static_lifetime() {
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let c = 66;
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let f = SomeStruct::<&'static u32>;
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f(&c); //~ ERROR
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}
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fn annot_reference_named_lifetime<'a>(_d: &'a u32) {
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let c = 66;
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let f = SomeStruct::<&'a u32>;
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f(&c); //~ ERROR
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}
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fn annot_reference_named_lifetime_ok<'a>(c: &'a u32) {
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let f = SomeStruct::<&'a u32>;
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f(c);
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}
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fn annot_reference_named_lifetime_in_closure<'a>(_: &'a u32) {
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let _closure = || {
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let c = 66;
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let f = SomeStruct::<&'a u32>;
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f(&c); //~ ERROR
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};
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}
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fn annot_reference_named_lifetime_across_closure<'a>(_: &'a u32) {
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let f = SomeStruct::<&'a u32>;
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let _closure = || {
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let c = 66;
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f(&c); //~ ERROR
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};
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}
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fn annot_reference_named_lifetime_in_closure_ok<'a>(c: &'a u32) {
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let _closure = || {
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let f = SomeStruct::<&'a u32>;
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f(c);
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};
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}
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fn annot_reference_named_lifetime_across_closure_ok<'a>(c: &'a u32) {
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let f = SomeStruct::<&'a u32>;
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let _closure = || {
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f(c);
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};
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}
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fn main() { }
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error[E0597]: `c` does not live long enough
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--> $DIR/adt-tuple-struct-calls.rs:27:7
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LL | f(&c);
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| --^^-
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| | |
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| | borrowed value does not live long enough
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| argument requires that `c` is borrowed for `'static`
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LL | }
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| - `c` dropped here while still borrowed
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error[E0597]: `c` does not live long enough
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--> $DIR/adt-tuple-struct-calls.rs:33:7
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LL | fn annot_reference_named_lifetime<'a>(_d: &'a u32) {
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| -- lifetime `'a` defined here
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...
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LL | f(&c);
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| --^^-
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| | |
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| | borrowed value does not live long enough
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| argument requires that `c` is borrowed for `'a`
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LL | }
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| - `c` dropped here while still borrowed
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error[E0597]: `c` does not live long enough
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--> $DIR/adt-tuple-struct-calls.rs:45:11
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LL | fn annot_reference_named_lifetime_in_closure<'a>(_: &'a u32) {
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| -- lifetime `'a` defined here
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...
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LL | f(&c);
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| --^^-
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| | |
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| | borrowed value does not live long enough
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| argument requires that `c` is borrowed for `'a`
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LL | };
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| - `c` dropped here while still borrowed
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error[E0597]: `c` does not live long enough
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--> $DIR/adt-tuple-struct-calls.rs:53:11
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LL | let f = SomeStruct::<&'a u32>;
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| - lifetime `'1` appears in the type of `f`
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...
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LL | f(&c);
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| --^^-
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| | |
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| | borrowed value does not live long enough
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| argument requires that `c` is borrowed for `'1`
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LL | };
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| - `c` dropped here while still borrowed
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error: aborting due to 4 previous errors
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For more information about this error, try `rustc --explain E0597`.
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