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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/nll/issue-21232-partial-init-and-erroneous-use.rs | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/test/ui/nll/issue-21232-partial-init-and-erroneous-use.rs b/src/test/ui/nll/issue-21232-partial-init-and-erroneous-use.rs new file mode 100644 index 000000000..46a156d2a --- /dev/null +++ b/src/test/ui/nll/issue-21232-partial-init-and-erroneous-use.rs @@ -0,0 +1,60 @@ +// This test enumerates various cases of interest where an ADT or tuple is +// partially initialized and then used in some way that is wrong *even* +// after rust-lang/rust#54987 is implemented. +// +// See rust-lang/rust#21232, rust-lang/rust#54986, and rust-lang/rust#54987. +// +// See issue-21232-partial-init-and-use.rs for cases of tests that are +// meant to compile and run successfully once rust-lang/rust#54987 is +// implemented. + +struct D { + x: u32, + s: S, +} + +struct S { + y: u32, + z: u32, +} + + +impl Drop for D { + fn drop(&mut self) { } +} + +fn cannot_partially_init_adt_with_drop() { + let d: D; + d.x = 10; //~ ERROR E0381 +} + +fn cannot_partially_init_mutable_adt_with_drop() { + let mut d: D; + d.x = 10; //~ ERROR E0381 +} + +fn cannot_partially_reinit_adt_with_drop() { + let mut d = D { x: 0, s: S{ y: 0, z: 0 } }; + drop(d); + d.x = 10; + //~^ ERROR assign of moved value: `d` [E0382] +} + +fn cannot_partially_init_inner_adt_via_outer_with_drop() { + let d: D; + d.s.y = 20; //~ ERROR E0381 +} + +fn cannot_partially_init_inner_adt_via_mutable_outer_with_drop() { + let mut d: D; + d.s.y = 20; //~ ERROR E0381 +} + +fn cannot_partially_reinit_inner_adt_via_outer_with_drop() { + let mut d = D { x: 0, s: S{ y: 0, z: 0} }; + drop(d); + d.s.y = 20; + //~^ ERROR assign to part of moved value: `d` [E0382] +} + +fn main() { } |