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be more judicious with at_cdr in print_string (#295)

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This commit is contained in:
Mark Thom
2020-04-12 12:18:15 -06:00
parent 5e81fb4754
commit 2ce4f602c0
1 changed files with 4 additions and 2 deletions
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6
src/prolog/heap_print.rs
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@@ -1045,7 +1045,9 @@ impl<'a, Outputter: HCValueOutputter> HCPrinter<'a, Outputter> {
let buf = heap_pstr_iter.to_string(); let buf = heap_pstr_iter.to_string();
let end_addr = heap_pstr_iter.focus(); let end_addr = heap_pstr_iter.focus();
if Addr::EmptyList == end_addr { let at_cdr = self.at_cdr(",");
if !at_cdr && Addr::EmptyList == end_addr {
if !self.machine_st.flags.double_quotes.is_codes() { if !self.machine_st.flags.double_quotes.is_codes() {
self.push_char('"'); self.push_char('"');
@@ -1124,7 +1126,7 @@ impl<'a, Outputter: HCValueOutputter> HCPrinter<'a, Outputter> {
iter.stack().push(end_addr); iter.stack().push(end_addr);
} }
} else { } else {
let switch = if !self.at_cdr(",") { let switch = if !at_cdr {
self.push_char('['); self.push_char('[');
true true
} else { } else {