Allow showing from amounts in overhead allocation

src/main.rs

@@ -63,6 +63,12 @@ enum Commands {
         #[arg(short, long)]
         exclude_negative_allocation_statistics: bool,
 
+        #[arg(short = 'f', long)]
+        show_from: bool,
+
+        #[arg(short, long, default_value = "0.1")]
+        zero_threshold: f64,
+
         #[arg(short, long, value_name = "FILE")]
         output: Option<PathBuf>,
     },
@@ -120,18 +126,22 @@ fn main() -> anyhow::Result<()> {
             use_numeric_accounts,
             account_type,
             exclude_negative_allocation_statistics,
+            show_from,
+            zero_threshold,
             output,
         } => coster_rs::reciprocal_allocation(
-            csv::Reader::from_path(lines)?,
-            csv::Reader::from_path(accounts)?,
-            csv::Reader::from_path(allocation_statistics)?,
-            csv::Reader::from_path(areas)?,
-            csv::Reader::from_path(cost_centres)?,
+            &mut csv::Reader::from_path(lines)?,
+            &mut csv::Reader::from_path(accounts)?,
+            &mut csv::Reader::from_path(allocation_statistics)?,
+            &mut csv::Reader::from_path(areas)?,
+            &mut csv::Reader::from_path(cost_centres)?,
             &mut csv::Writer::from_path(output.unwrap_or(PathBuf::from("alloc_output.csv")))?,
             use_numeric_accounts,
             exclude_negative_allocation_statistics,
             true,
             account_type,
+            show_from,
+            zero_threshold,
         ),
         Commands::CreateProducts {
             definitions,