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Add TyBuilder::unit() and TyExt::is_unit()

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This commit is contained in:
Florian Diebold 2021-04-03 20:22:59 +02:00
parent b15152c430
commit b0fe3d929f
7 changed files with 39 additions and 25 deletions
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10
crates/hir_ty/src/lib.rs
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@ -23,6 +23,7 @@ pub mod diagnostics;
mod tests;
#[cfg(test)]
mod test_db;
mod chalk_ext;
use std::{iter, mem, sync::Arc};
@ -42,6 +43,7 @@ use crate::{
};
pub use autoderef::autoderef;
pub use chalk_ext::TyExt;
pub use infer::{could_unify, InferenceResult, InferenceVar};
pub use lower::{
associated_type_shorthand_candidates, callable_item_sig, CallableDefId, ImplTraitLoweringMode,
@ -813,14 +815,12 @@ impl TypeWalk for CallableSig {
struct TyBuilder {}
impl TyBuilder {
pub fn unit() -> Ty {
TyKind::Tuple(0, Substitution::empty(&Interner)).intern(&Interner)
}
}
impl Ty {
pub fn unit() -> Self {
TyKind::Tuple(0, Substitution::empty(&Interner)).intern(&Interner)
}
pub fn adt_ty(adt: hir_def::AdtId, substs: Substitution) -> Ty {
TyKind::Adt(AdtId(adt), substs).intern(&Interner)
}