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Specialize DestructuredConstant to its one user (pretty printing)

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This commit is contained in:
Oli Scherer
2023-06-28 09:34:26 +00:00
parent 4dcf988360
commit a0eb348d38
3 changed files with 13 additions and 8 deletions
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15
compiler/rustc_middle/src/mir/mod.rs
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@@ -2806,13 +2806,16 @@ fn pretty_print_byte_str(fmt: &mut Formatter<'_>, byte_str: &[u8]) -> fmt::Resul
write!(fmt, "b\"{}\"", byte_str.escape_ascii())
}
fn comma_sep<'tcx>(fmt: &mut Formatter<'_>, elems: Vec<ConstantKind<'tcx>>) -> fmt::Result {
fn comma_sep<'tcx>(
fmt: &mut Formatter<'_>,
elems: Vec<(ConstValue<'tcx>, Ty<'tcx>)>,
) -> fmt::Result {
let mut first = true;
for elem in elems {
for (ct, ty) in elems {
if !first {
fmt.write_str(", ")?;
}
fmt.write_str(&format!("{}", elem))?;
pretty_print_const_value(ct, ty, fmt, true)?;
first = false;
}
Ok(())
@@ -2925,12 +2928,14 @@ fn pretty_print_const_value<'tcx>(
None => {
fmt.write_str(" {{ ")?;
let mut first = true;
for (field_def, field) in iter::zip(&variant_def.fields, fields)
for (field_def, (ct, ty)) in
iter::zip(&variant_def.fields, fields)
{
if !first {
fmt.write_str(", ")?;
}
fmt.write_str(&format!("{}: {}", field_def.name, field))?;
write!(fmt, "{}: ", field_def.name)?;
pretty_print_const_value(ct, ty, fmt, true)?;
first = false;
}
fmt.write_str(" }}")?;