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mutation: do not remove the newline #36

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Merged
brunoerg merged 1 commit into from
Mar 9, 2026
Merged

mutation: do not remove the newline #36

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5 changes: 4 additions & 1 deletion src/mutation.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -317,7 +317,10 @@ pub async fn mutate_file(
// Create mutated file content
let mut mutated_lines = lines.clone();
mutated_lines[line_idx] = &line_mutated;
let mutated_content = mutated_lines.join("\n");
let mut mutated_content = mutated_lines.join("\n");
if source_code.ends_with('\n') {
mutated_content.push('\n');
}

mutant_count = write_mutation(
file_to_mutate,
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