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Implement RFC 1440 "Allow Drop types in statics/const functions".

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This commit is contained in:
Eduard Burtescu 2016-05-05 08:11:28 +03:00
parent 4f5900aefa
commit ed66fe48e9
6 changed files with 54 additions and 23 deletions
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26
src/test/compile-fail/check-static-values-constraints.rs
View file

@ -37,7 +37,7 @@ static STATIC2: SafeEnum = SafeEnum::Variant2(0);
// This one should fail
static STATIC3: SafeEnum = SafeEnum::Variant3(WithDtor);
//~^ ERROR statics are not allowed to have destructors
//~^ ERROR destructors in statics are an unstable feature
// This enum will be used to test that variants
@ -54,9 +54,9 @@ impl Drop for UnsafeEnum {
static STATIC4: UnsafeEnum = UnsafeEnum::Variant5;
//~^ ERROR statics are not allowed to have destructors
//~^ ERROR destructors in statics are an unstable feature
static STATIC5: UnsafeEnum = UnsafeEnum::Variant6(0);
//~^ ERROR statics are not allowed to have destructors
//~^ ERROR destructors in statics are an unstable feature
struct SafeStruct {
@ -71,7 +71,7 @@ static STATIC6: SafeStruct = SafeStruct{field1: SafeEnum::Variant1, field2: Safe
// field2 has an unsafe value, hence this should fail
static STATIC7: SafeStruct = SafeStruct{field1: SafeEnum::Variant1,
field2: SafeEnum::Variant3(WithDtor)};
//~^ ERROR statics are not allowed to have destructors
//~^ ERROR destructors in statics are an unstable feature
// Test variadic constructor for structs. The base struct should be examined
// as well as every field present in the constructor.
@ -84,7 +84,7 @@ static STATIC8: SafeStruct = SafeStruct{field1: SafeEnum::Variant1,
static STATIC9: SafeStruct = SafeStruct{field1: SafeEnum::Variant1,
..SafeStruct{field1: SafeEnum::Variant3(WithDtor),
field2: SafeEnum::Variant1}};
//~^^ ERROR statics are not allowed to have destructors
//~^^ ERROR destructors in statics are an unstable feature
struct UnsafeStruct;
@ -94,7 +94,7 @@ impl Drop for UnsafeStruct {
// Types with destructors are not allowed for statics
static STATIC10: UnsafeStruct = UnsafeStruct;
//~^ ERROR statics are not allowed to have destructor
//~^ ERROR destructors in statics are an unstable feature
struct MyOwned;
@ -105,19 +105,19 @@ static STATIC11: Box<MyOwned> = box MyOwned;
// to have types with destructors
// These should fail
static mut STATIC12: UnsafeStruct = UnsafeStruct;
//~^ ERROR mutable statics are not allowed to have destructors
//~^^ ERROR statics are not allowed to have destructors
//~^ ERROR destructors in statics are an unstable feature
//~^^ ERROR destructors in statics are an unstable feature
static mut STATIC13: SafeStruct = SafeStruct{field1: SafeEnum::Variant1,
//~^ ERROR mutable statics are not allowed to have destructors
//~^ ERROR destructors in statics are an unstable feature
field2: SafeEnum::Variant3(WithDtor)};
//~^ ERROR: statics are not allowed to have destructors
//~^ ERROR: destructors in statics are an unstable feature
static mut STATIC14: SafeStruct = SafeStruct {
//~^ ERROR mutable statics are not allowed to have destructors
//~^ ERROR destructors in statics are an unstable feature
field1: SafeEnum::Variant1,
field2: SafeEnum::Variant4("str".to_string())
//~^ ERROR method calls in statics are limited to constant inherent methods
//~^ ERROR calls in statics are limited to constant functions
};
static STATIC15: &'static [Box<MyOwned>] = &[
@ -131,7 +131,7 @@ static STATIC16: (&'static Box<MyOwned>, &'static Box<MyOwned>) = (
);
static mut STATIC17: SafeEnum = SafeEnum::Variant1;
//~^ ERROR mutable statics are not allowed to have destructors
//~^ ERROR destructors in statics are an unstable feature
static STATIC19: Box<isize> =
box 3;

5
src/test/compile-fail/issue-9243.rs
View file

@ -10,11 +10,12 @@
// Regression test for issue 9243
struct Test {
pub struct Test {
mem: isize,
}
pub static g_test: Test = Test {mem: 0}; //~ ERROR statics are not allowed to have destructors
pub static g_test: Test = Test {mem: 0};
//~^ ERROR destructors in statics are an unstable feature
impl Drop for Test {
fn drop(&mut self) {}

2
src/test/compile-fail/static-mut-not-constant.rs
View file

@ -12,6 +12,6 @@
static mut a: Box<isize> = box 3;
//~^ ERROR allocations are not allowed in statics
//~^^ ERROR mutable statics are not allowed to have boxes
//~^^ ERROR destructors in statics are an unstable feature
fn main() {}