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Adapt to the new generic parameter/argument order

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Ryo Yoshida 2022-10-02 22:15:57 +09:00
parent 4385d3dcd0
commit 78977cd86c
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GPG key ID: E25698A930586171
11 changed files with 259 additions and 161 deletions
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16
crates/hir-ty/src/display.rs
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@ -27,7 +27,7 @@ use crate::{
db::HirDatabase,
from_assoc_type_id, from_foreign_def_id, from_placeholder_idx, lt_from_placeholder_idx,
mapping::from_chalk,
primitive, subst_prefix, to_assoc_type_id,
primitive, to_assoc_type_id,
utils::{self, generics},
AdtId, AliasEq, AliasTy, Binders, CallableDefId, CallableSig, Const, ConstValue, DomainGoal,
GenericArg, ImplTraitId, Interner, Lifetime, LifetimeData, LifetimeOutlives, Mutability,
@ -506,8 +506,15 @@ impl HirDisplay for Ty {
let total_len = parent_params + self_param + type_params + const_params;
// We print all params except implicit impl Trait params. Still a bit weird; should we leave out parent and self?
if total_len > 0 {
// `parameters` are in the order of fn's params (including impl traits),
// parent's params (those from enclosing impl or trait, if any).
let parameters = parameters.as_slice(Interner);
let fn_params_len = self_param + type_params + const_params;
let fn_params = parameters.get(..fn_params_len);
let parent_params = parameters.get(parameters.len() - parent_params..);
let params = parent_params.into_iter().chain(fn_params).flatten();
write!(f, "<")?;
f.write_joined(&parameters.as_slice(Interner)[..total_len], ", ")?;
f.write_joined(params, ", ")?;
write!(f, ">")?;
}
}
@ -579,9 +586,8 @@ impl HirDisplay for Ty {
Some(x) => x,
None => return true,
};
let actual_default = default_parameter
.clone()
.substitute(Interner, &subst_prefix(parameters, i));
let actual_default =
default_parameter.clone().substitute(Interner, &parameters);
parameter != &actual_default
}
let mut default_from = 0;