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fix clippy::len_zero: use is_empty() instead of comparing .len() to zero

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This commit is contained in:
Matthias Krüger 2020-08-01 19:20:44 +02:00
parent eccc2fe503
commit 057730c4b1
1 changed files with 2 additions and 2 deletions
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4
src/librustc_traits/chalk/db.rs
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@ -379,7 +379,7 @@ impl<'tcx> chalk_solve::RustIrDatabase<RustInterner<'tcx>> for RustIrDatabase<'t
ty::AdtKind::Struct | ty::AdtKind::Union => None,
ty::AdtKind::Enum => {
let constraint = self.tcx.adt_sized_constraint(adt_def.did);
if constraint.0.len() > 0 { unimplemented!() } else { Some(true) }
if !constraint.0.is_empty() { unimplemented!() } else { Some(true) }
}
},
_ => None,
@ -398,7 +398,7 @@ impl<'tcx> chalk_solve::RustIrDatabase<RustInterner<'tcx>> for RustIrDatabase<'t
ty::AdtKind::Struct | ty::AdtKind::Union => None,
ty::AdtKind::Enum => {
let constraint = self.tcx.adt_sized_constraint(adt_def.did);
if constraint.0.len() > 0 { unimplemented!() } else { Some(true) }
if !constraint.0.is_empty() { unimplemented!() } else { Some(true) }
}
},
_ => None,