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-rw-r--r--src/makefile/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/makefile/mod.rs b/src/makefile/mod.rs
index 7077161..c48c030 100644
--- a/src/makefile/mod.rs
+++ b/src/makefile/mod.rs
@@ -144,7 +144,7 @@ impl<'a> Makefile<'a> {
let mut lines_iter = source
.lines()
.enumerate()
- .map(|(number, line)| (number + 1, line))
+ .map(|(number, line)| (number.saturating_add(1), line))
.map(|(line, x)| {
(
line,