From 7486ed83a310cc82a1c3149f9258d853f43cc11b Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@robocracy.org>
Date: Mon, 16 Jan 2017 18:07:09 -0800
Subject: remove redundant helpers from modelthing

---
 src/modelica_model.rs | 45 ---------------------------------------------
 1 file changed, 45 deletions(-)

diff --git a/src/modelica_model.rs b/src/modelica_model.rs
index 40b83d6..54363c8 100644
--- a/src/modelica_model.rs
+++ b/src/modelica_model.rs
@@ -2,7 +2,6 @@
 extern crate modelica_parser;
 
 use std::clone::Clone;
-use std::collections::HashMap;
 use std::collections::HashSet;
 use std::iter::FromIterator;
 
@@ -13,8 +12,6 @@ use errors::Result;
 /// Helpers
 
 pub trait ModelicaModelExt {
-    fn get_constant_vars(&self) -> HashMap<String, Option<Expr>>;
-    fn get_free_vars(&self) -> HashSet<String>;
     fn solve_for(&self,
                  indep_vars: Vec<String>,
                  dep_vars: Vec<String>)
@@ -22,48 +19,6 @@ pub trait ModelicaModelExt {
 }
 
 impl ModelicaModelExt for ModelicaModel {
-    fn get_constant_vars(&self) -> HashMap<String, Option<Expr>> {
-        let mut binds = HashMap::new();
-        // XXX: actually implement this...
-        for c in &self.components {
-            match c.prefix {
-                Some(ComponentPrefix::Constant) => {
-                    binds.insert(c.name.clone(), Some(Expr::Integer(123)));
-                }
-                Some(ComponentPrefix::Parameter) => {
-                    binds.insert(c.name.clone(), Some(Expr::Float(4.56)));
-                }
-                _ => (),
-            }
-        }
-        binds
-    }
-
-    // This crude function finds "unbound" variables: those which are not constants, parameters, or
-    // the sole element on the LHS of an equation.
-    // Bugs:
-    //   if a var is on LHS and RHS of same equation
-    fn get_free_vars(&self) -> HashSet<String> {
-        // Start with components, and remove constants and parameters
-        let vars = self.components.iter().filter(|v| match v.prefix {
-            Some(ComponentPrefix::Constant) |
-            Some(ComponentPrefix::Parameter) => false,
-            _ => true,
-        });
-
-        // Remove LHS (bound) vars
-        let mut outputs = vec![];
-        for eq in self.equations.iter() {
-            // TODO:
-            if let Expr::Ident(ref symb) = eq.lhs {
-                outputs.push(symb.to_string());
-            }
-        }
-        let vars = vars.filter(|v| !outputs.contains(&v.name));
-
-        vars.map(|c| c.name.clone()).collect()
-    }
-
     // V variables
     // Q constants (become kwargs)
     // P bound vars (independent, inputs/passed, become like constants)
-- 
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