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Move impls_future to Type, where it belongs

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This commit is contained in:
Aleksey Kladov 2020-01-14 11:27:00 +01:00
parent 0358f5fdeb
commit 52e7f67128
4 changed files with 21 additions and 28 deletions
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24
crates/ra_hir/src/source_analyzer.rs
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@ -21,10 +21,7 @@ use hir_def::{
use hir_expand::{
hygiene::Hygiene, name::AsName, AstId, HirFileId, InFile, MacroCallId, MacroCallKind,
};
use hir_ty::{
method_resolution::{self, implements_trait},
Canonical, InEnvironment, InferenceResult, TraitEnvironment, Ty,
};
use hir_ty::{method_resolution, Canonical, InEnvironment, InferenceResult, TraitEnvironment, Ty};
use ra_prof::profile;
use ra_syntax::{
ast::{self, AstNode},
@ -395,25 +392,6 @@ impl SourceAnalyzer {
)
}
/// Checks that particular type `ty` implements `std::future::Future`.
/// This function is used in `.await` syntax completion.
pub fn impls_future(&self, db: &impl HirDatabase, ty: Type) -> bool {
let krate = match self.resolver.krate() {
Some(krate) => krate,
None => return false,
};
let std_future_trait =
db.lang_item(krate, "future_trait".into()).and_then(|it| it.as_trait());
let std_future_trait = match std_future_trait {
Some(it) => it,
None => return false,
};
let canonical_ty = Canonical { value: ty.ty.value, num_vars: 0 };
implements_trait(&canonical_ty, db, &self.resolver, krate, std_future_trait)
}
pub fn expand(
&self,
db: &impl HirDatabase,