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Adjust pretty printing accordingly.

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This commit is contained in:
Mazdak Farrokhzad 2019-07-09 09:12:14 +02:00
parent 12250a2017
commit b02941f2a6
1 changed files with 8 additions and 47 deletions
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55
src/libsyntax/print/pprust.rs
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@ -2369,22 +2369,10 @@ impl<'a> State<'a> {
self.print_pat(p);
}
}
PatKind::TupleStruct(ref path, ref elts, ddpos) => {
PatKind::TupleStruct(ref path, ref elts) => {
self.print_path(path, true, 0);
self.popen();
if let Some(ddpos) = ddpos {
self.commasep(Inconsistent, &elts[..ddpos], |s, p| s.print_pat(p));
if ddpos != 0 {
self.word_space(",");
}
self.s.word("..");
if ddpos != elts.len() {
self.s.word(",");
self.commasep(Inconsistent, &elts[ddpos..], |s, p| s.print_pat(p));
}
} else {
self.commasep(Inconsistent, &elts[..], |s, p| s.print_pat(p));
}
self.commasep(Inconsistent, &elts[..], |s, p| s.print_pat(p));
self.pclose();
}
PatKind::Path(None, ref path) => {
@ -2416,23 +2404,11 @@ impl<'a> State<'a> {
self.s.space();
self.s.word("}");
}
PatKind::Tuple(ref elts, ddpos) => {
PatKind::Tuple(ref elts) => {
self.popen();
if let Some(ddpos) = ddpos {
self.commasep(Inconsistent, &elts[..ddpos], |s, p| s.print_pat(p));
if ddpos != 0 {
self.word_space(",");
}
self.s.word("..");
if ddpos != elts.len() {
self.s.word(",");
self.commasep(Inconsistent, &elts[ddpos..], |s, p| s.print_pat(p));
}
} else {
self.commasep(Inconsistent, &elts[..], |s, p| s.print_pat(p));
if elts.len() == 1 {
self.s.word(",");
}
self.commasep(Inconsistent, &elts[..], |s, p| s.print_pat(p));
if elts.len() == 1 {
self.s.word(",");
}
self.pclose();
}
@ -2458,24 +2434,9 @@ impl<'a> State<'a> {
}
self.print_expr(end);
}
PatKind::Slice(ref before, ref slice, ref after) => {
PatKind::Slice(ref elts) => {
self.s.word("[");
self.commasep(Inconsistent,
&before[..],
|s, p| s.print_pat(p));
if let Some(ref p) = *slice {
if !before.is_empty() { self.word_space(","); }
if let PatKind::Wild = p.node {
// Print nothing
} else {
self.print_pat(p);
}
self.s.word("..");
if !after.is_empty() { self.word_space(","); }
}
self.commasep(Inconsistent,
&after[..],
|s, p| s.print_pat(p));
self.commasep(Inconsistent, &elts[..], |s, p| s.print_pat(p));
self.s.word("]");
}
PatKind::Rest => self.s.word(".."),