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https://codeberg.org/ziglings/exercises.git
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Converted var to const if there is no mutation in var.
This is checked from compiler version 0.12.0-dev.1664
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@@ -273,7 +273,7 @@ const HermitsNotebook = struct {
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// distance) than the one we'd noted before. If it is, we
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// overwrite the old entry with the new one.
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fn checkNote(self: *HermitsNotebook, note: NotebookEntry) void {
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var existing_entry = self.getEntry(note.place);
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const existing_entry = self.getEntry(note.place);
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if (existing_entry == null) {
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self.entries[self.end_of_entries] = note;
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@@ -386,7 +386,7 @@ pub fn main() void {
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// "start" entry we just added) until we run out, at which point
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// we'll have checked every reachable Place.
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while (notebook.hasNextEntry()) {
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var place_entry = notebook.getNextEntry();
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const place_entry = notebook.getNextEntry();
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// For every Path that leads FROM the current Place, create a
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// new note (in the form of a NotebookEntry) with the
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