upgrade cargo dependencies

src/function_manager.rs

@@ -1,6 +1,4 @@
-use crate::{
-    consts::COLORS, function_entry::FunctionEntry, misc::random_u64, widgets::widgets_ontop,
-};
+use crate::{consts::COLORS, function_entry::FunctionEntry, widgets::widgets_ontop};
 use egui::{Button, Id, Key, Modifiers, PopupCloseBehavior, TextEdit, WidgetText};
 use emath::vec2;
 use parsing::Movement;
@@ -256,7 +254,7 @@ impl FunctionManager {
     /// Create and push new empty function entry
     pub fn push_empty(&mut self) {
         self.functions.push((
-            Id::new(random_u64().expect("unable to generate random id")),
+            Id::new(format!("function #{}", self.functions.len() + 1)),
             FunctionEntry::default(),
         ));
     }

src/math_app.rs

@@ -12,7 +12,7 @@ use egui::{
 use egui_plot::Plot;
 
 use emath::{Align, Align2};
-use epaint::{Margin, Rounding};
+use epaint::Margin;
 use instant::Instant;
 use itertools::Itertools;
 use std::{io::Read, ops::BitXorAssign};
@@ -179,7 +179,7 @@ impl MathApp {
         fn decompress_fonts() -> epaint::text::FontDefinitions {
             let mut data = Vec::new();
             let _ =
-                ruzstd::StreamingDecoder::new(
+                ruzstd::decoding::StreamingDecoder::new(
                     &mut const {
                         include_bytes!(concat!(env!("OUT_DIR"), "/compressed_data")).as_slice()
                     },

src/misc.rs

@@ -1,7 +1,6 @@
 use base64::{Engine as _, engine::general_purpose};
 use egui_plot::{Line, PlotPoint, PlotPoints, Points};
 use emath::Pos2;
-use getrandom::getrandom;
 use itertools::Itertools;
 use parsing::FlatExWrapper;
 
@@ -195,16 +194,6 @@ pub fn hashed_storage_read(data: &str) -> Option<(HashBytes, Vec<u8>)> {
     Some((hash, data_bytes.to_vec()))
 }
 
-/// Creates and returns random u64
-pub fn random_u64() -> Result<u64, getrandom::Error> {
-    // Buffer of 8 `u8`s that are later merged into one u64
-    let mut buf = [0u8; 8];
-    // Populate buffer with random values
-    getrandom(&mut buf)?;
-    // Merge buffer into u64
-    Ok(u64::from_be_bytes(buf))
-}
-
 include!(concat!(env!("OUT_DIR"), "/valid_chars.rs"));
 
 pub fn is_valid_char(c: char) -> bool {