Positive coverage: is_local_parameter / local parameter
local parameter| Line | Coverage | Source |
|---|---|---|
| 291 | 6 | (prove_normalize(decls, env, assumptions, goal) => Constrained(p, c1)) |
| 292 | N/A | (let assumptions = c1.substitution().apply(assumptions)) |
| 293 | 2 | (is_local_parameter(decls, c1.env(), assumptions, p) => c2) |
| ──────── ("local parameter") | ||
| 295 | 1 | (is_local_parameter(decls, env, assumptions, goal) => c1.seq(c2)) |
1 test exercised this rule:
Source location: tests/coherence_orphan.rs:84
#[test]
fn mirror_FooStruct() {
FormalityTest::new(crates![crate core {
trait CoreTrait {}
trait Mirror {
type Assoc : [];
}
impl<T> Mirror for T {
type Assoc = T;
}
},
crate foo {
struct FooStruct {}
impl CoreTrait for <FooStruct as Mirror>::Assoc {}
}])
.skip_execute()
.ok()
}Proof tree
check_all_crates (check all prefixes)mod.rs:54for_allmod.rs:41for_allmod.rs:51check_crate (check crate)mod.rs:75for_allmod.rs:60for_allmod.rs:72check_crate_item (trait)mod.rs:173check_trait (check trait)traits.rs:26prove_wc_list (none)prove_wc_list.rs:24
for_allmod.rs:72check_crate_item (trait)mod.rs:173check_trait (check trait)traits.rs:26prove_wc_list (none)prove_wc_list.rs:24for_alltraits.rs:9for_alltraits.rs:24check_trait_item (associated ty in trait)traits.rs:50check_associated_ty (check associated ty)traits.rs:93prove_wc_list (none)prove_wc_list.rs:24
for_allmod.rs:72check_crate_item (trait impl)mod.rs:180check_trait_impl (check_trait_impl)impls.rs:39prove_wc_list (none)prove_wc_list.rs:24prove_wc_list (some)prove_wc_list.rs:31prove_wc (positive impl)prove_wc.rs:89prove_wc_list (some)prove_wc_list.rs:31prove_wc (eq)prove_wc.rs:128prove_eq (symmetric)prove_eq.rs:41prove_eq (existential)prove_eq.rs:65prove_existential_var_eq (existential-universal)prove_eq.rs:143
prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24
prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24
prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24
prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24
check_safety_matches (safety matches)impls.rs:79for_allimpls.rs:13for_allimpls.rs:34check_trait_impl_item (associated ty value)impls.rs:145check_associated_ty_value (check_associated_ty_value)impls.rs:232prove_wc_list (none)prove_wc_list.rs:24prove_wc_list (none)prove_wc_list.rs:24prove_wc_list (some)prove_wc_list.rs:31prove_wc (parameter well formed)prove_wc.rs:162prove_wf (universal variables)prove_wf.rs:30
prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24
prove_wc_list (none)prove_wc_list.rs:24
check_drop_impl_always_applicable (not a Drop impl)impls.rs:295
check_coherence (check_coherence)coherence.rs:24for_allcoherence.rs:8for_allcoherence.rs:17for_allcoherence.rs:8for_allcoherence.rs:18overlap_check (skip_same_impl)coherence.rs:75
for_allcoherence.rs:8for_allcoherence.rs:20orphan_check (orphan_check)coherence.rs:39prove_wc_list (some)prove_wc_list.rs:31prove_wc (trait ref is local)prove_wc.rs:149is_local_trait_ref (local trait)is_local.rs:212
prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24
for_allmod.rs:51check_crate (check crate)mod.rs:75for_allmod.rs:60for_allmod.rs:72check_crate_item (adt)mod.rs:186check_adt (check adt)adts.rs:27prove_wc_list (none)prove_wc_list.rs:24
for_allmod.rs:72check_crate_item (trait impl)mod.rs:180check_trait_impl (check_trait_impl)impls.rs:39prove_wc_list (none)prove_wc_list.rs:24prove_wc_list (some)prove_wc_list.rs:31prove_wc (positive impl)prove_wc.rs:89prove_wc_list (some)prove_wc_list.rs:31prove_wc (eq)prove_wc.rs:128prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24
prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24
prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24
prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24
check_safety_matches (safety matches)impls.rs:79
check_drop_impl_always_applicable (not a Drop impl)impls.rs:295
check_coherence (check_coherence)coherence.rs:24for_allcoherence.rs:8for_allcoherence.rs:17for_allcoherence.rs:8for_allcoherence.rs:18overlap_check (skip_different_trait)coherence.rs:84
for_allcoherence.rs:18overlap_check (skip_same_impl)coherence.rs:75
for_allcoherence.rs:8for_allcoherence.rs:20orphan_check (orphan_check)coherence.rs:39prove_wc_list (some)prove_wc_list.rs:31prove_wc (trait ref is local)prove_wc.rs:149is_local_trait_ref (local parameter)is_local.rs:225is_local_parameter (local parameter)is_local.rs:294prove_normalize (normalize-via-impl)prove_normalize.rs:49prove_wc_list (some)prove_wc_list.rs:31prove_wc (eq)prove_wc.rs:128prove_eq (symmetric)prove_eq.rs:41prove_eq (existential)prove_eq.rs:65prove_existential_var_eq (existential-nonvar)prove_eq.rs:98prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24
prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24
prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24
is_local_parameter (local rigid type)is_local.rs:309
prove_after (prove_after)prove_after.rs:20prove_wc_list (none)prove_wc_list.rs:24