i dies

src/common_subsequence/db.rs

@@ -1,3 +1,5 @@
+//! this file is pure brain fuck DO NOT read below code YOU HAVE BEEN WARNED
+
 use std::ops::Range;
 
 /// a vec like struct, where everything is ever increasing and not by anything more than one.
@@ -73,18 +75,36 @@ impl DB {
                 } else if self.len() < *bro {
                     panic!("run DB::verify_len(&self) ")
                 }
-                self.len -= 1;
+                //     self.len -= 1;
-            } else {
+                // }
-                // self.len.checked_sub(1);
+                //  else {
-                self.len -= 1
             }
+            // self.len.checked_sub(1);
+            self.len -= 1
         }
         return returnvalue;
     }
     fn len(&self) -> u32 {
         self.len
     }
-    /// looks the same as [`DB::vec`](DB::vec)(&self).[`get`](core::slice::get)(ind as usize)
+    /**
+    get you know get it like its a traditional long ass vec
+
+    ## useage:
+    ```
+    # use lda_strdist::common_subsequence::db::DB;
+    # fn alterget(dp: &DB, ind: u32) {
+    DB::vec(dp).get(ind as usize);
+    # }
+
+    # fn main() {
+    let c = [0, 1, 1, 2, 3, 3, 3, 4, 4].to_vec();
+    let dp = DB::try_from_vec(c.clone()).expect("source vector with wrong form");
+    let ind = 5;
+    assert_eq!(DB::vec(&dp).get(ind as usize).cloned(), dp.get(ind));
+    # }
+    ```
+    */
     pub fn get(&self, ind: u32) -> Option<u32> {
         if self.len() <= ind {
             // panic!("index {ind} >= len {selflen} which is ugly")
@@ -170,6 +190,7 @@ impl DB {
         (None, None)
     }
 
+    // result? change depend on up is not none
     pub fn change(&mut self, ind: u32, val: u32) {
         let (avail, up) = self.available_values(ind);
         if let (Some(avail), Some(up)) = (avail, up) {
@@ -199,6 +220,7 @@ impl DB {
         if self.len() > 0 {
             if matches!(self.last(), Some(x) if (x) > 0) {
                 match self.get(ind) {
+                    // what is this fucking logic idk man what the fuck is this code
                     Some(vecv) if vecv == val => {
                         self.inner.truncate(val as usize);
                     }

src/common_subsequence/mod.rs

@@ -1,6 +1,6 @@
 use db::DB;
 
-mod db;
+pub mod db;
 
 pub fn lcs_gen(str1: &str, str2: &str) -> Vec<Vec<u32>> {
     let c1: Vec<char> = str1.chars().collect();
@@ -62,6 +62,9 @@ pub fn lcs_gen_db(str1: &str, str2: &str) -> Vec<DB> {
     db
 }
 
+
+
+
 #[cfg(test)]
 mod test {