26 lines
902 B
Rust
26 lines
902 B
Rust
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//! HirDisplay implementations for various hir types.
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use hir_ty::display::{
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write_bounds_like_dyn_trait_with_prefix, HirDisplay, HirDisplayError, HirFormatter,
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};
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use crate::{Substs, Type, TypeParam};
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impl HirDisplay for Type {
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fn hir_fmt(&self, f: &mut HirFormatter) -> Result<(), HirDisplayError> {
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self.ty.value.hir_fmt(f)
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}
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}
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impl HirDisplay for TypeParam {
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fn hir_fmt(&self, f: &mut HirFormatter) -> Result<(), HirDisplayError> {
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write!(f, "{}", self.name(f.db))?;
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let bounds = f.db.generic_predicates_for_param(self.id);
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let substs = Substs::type_params(f.db, self.id.parent);
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let predicates = bounds.iter().cloned().map(|b| b.subst(&substs)).collect::<Vec<_>>();
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if !(predicates.is_empty() || f.omit_verbose_types()) {
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write_bounds_like_dyn_trait_with_prefix(":", &predicates, f)?;
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}
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Ok(())
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}
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}
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