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make insert_from_end work correctly

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This commit is contained in:
Mark Thom
2018-12-19 09:27:08 -07:00
parent 6f0018c3e0
commit b42706c1d6
2 changed files with 4 additions and 2 deletions
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3
src/prolog/heap_print.rs
View File

@@ -82,7 +82,8 @@ impl HCValueOutputter for PrinterOutputter {
} }
fn insert_from_end(&mut self, idx: usize, c: char) { fn insert_from_end(&mut self, idx: usize, c: char) {
self.contents.insert(idx, c); let len = self.contents.len();
self.contents.insert(len - idx, c);
} }
fn result(self) -> Self::Output { fn result(self) -> Self::Output {

3
src/tests.rs
View File

@@ -51,7 +51,8 @@ impl HCValueOutputter for TestOutputter {
} }
fn insert_from_end(&mut self, idx: usize, c: char) { fn insert_from_end(&mut self, idx: usize, c: char) {
self.focus.insert(idx, c); let len = self.focus.len();
self.focus.insert(len - idx, c);
} }
fn result(self) -> Self::Output { fn result(self) -> Self::Output {