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tracked-fn-ptr.rs
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tracked-fn-ptr.rs
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//@ run-pass
//@ revisions: default mir-opt
//@[mir-opt] compile-flags: -Zmir-opt-level=4
fn ptr_call(f: fn()) {
f();
}
#[track_caller]
fn tracked() {
let expected_line = line!() - 1;
let location = std::panic::Location::caller();
assert_eq!(location.file(), file!());
assert_eq!(location.line(), expected_line, "call shims report location as fn definition");
}
trait Trait {
fn trait_tracked();
}
impl Trait for () {
#[track_caller]
fn trait_tracked() {
let expected_line = line!() - 1;
let location = std::panic::Location::caller();
assert_eq!(location.file(), file!());
assert_eq!(location.line(), expected_line, "call shims report location as fn definition");
}
}
trait TrackedTrait {
#[track_caller]
fn trait_tracked_default() {
let expected_line = line!() - 1;
let location = std::panic::Location::caller();
assert_eq!(location.file(), file!());
assert_eq!(location.line(), expected_line, "call shims report location as fn definition");
}
}
impl TrackedTrait for () {}
trait TraitBlanketTracked {
#[track_caller]
fn tracked_blanket();
}
impl TraitBlanketTracked for () {
fn tracked_blanket() {
let expected_line = line!() - 1;
let location = std::panic::Location::caller();
assert_eq!(location.file(), file!());
assert_eq!(location.line(), expected_line, "call shims report location as fn definition");
}
}
fn main() {
ptr_call(tracked);
ptr_call(<() as Trait>::trait_tracked);
ptr_call(<() as TrackedTrait>::trait_tracked_default);
ptr_call(<() as TraitBlanketTracked>::tracked_blanket);
}
// ferrocene-annotations: fls_xztr1kebz8bo
// Function Pointer Types