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Don't write trailing whitespace when formatting empty GenericPredicates

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This commit is contained in:
Lukas Wirth 2021-02-20 20:43:04 +01:00
parent 9e5192d917
commit 0799288f01
3 changed files with 24 additions and 14 deletions
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5
crates/hir/src/code_model.rs
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@ -28,7 +28,7 @@ use hir_expand::{
};
use hir_ty::{
autoderef,
display::{write_bounds_like_dyn_trait, HirDisplayError, HirFormatter},
display::{write_bounds_like_dyn_trait_with_prefix, HirDisplayError, HirFormatter},
method_resolution,
traits::{FnTrait, Solution, SolutionVariables},
ApplicationTy, BoundVar, CallableDefId, Canonical, DebruijnIndex, FnSig, GenericPredicate,
@ -1379,8 +1379,7 @@ impl HirDisplay for TypeParam {
let substs = Substs::type_params(f.db, self.id.parent);
let predicates = bounds.iter().cloned().map(|b| b.subst(&substs)).collect::<Vec<_>>();
if !(predicates.is_empty() || f.omit_verbose_types()) {
write!(f, ": ")?;
write_bounds_like_dyn_trait(&predicates, f)?;
write_bounds_like_dyn_trait_with_prefix(":", &predicates, f)?;
}
Ok(())
}