create small iced demo

1 files changed, 0 insertions, 55 deletions

diff --git a/src/expression_function.rs b/src/expression_function.rs
deleted file mode 100644
index 8cafd76..0000000
--- a/src/expression_function.rs
+++ /dev/null
@@ -1,55 +0,0 @@
-use std::{iter::zip};
-use std::sync::Arc;
-
-use crate::{
-    complex::Complex,
-    context::Context,
-    expression::Expression,
-    function::{Function, FunctionArgument, EmptyFunction}
-};
-
-pub struct ExpressionFunction {
-    expr: Expression,
-    name: String,
-    args: Vec<String>,
-}
-
-impl ExpressionFunction {
-    pub fn from_string(str: String) -> Self {
-        let str = str.replace(' ', "");
-        let (lhs, expr) = str.split_once('=').unwrap();
-        let (name, a) = lhs.split_once('(').unwrap();
-        let args: Vec<String> = a[0..a.len() - 1]
-            .split(',')
-            .map(|s| s.to_string())
-            .collect();
-        Self {
-            expr: Expression::from_string(expr),
-            name: name.to_string(),
-            args,
-        }
-    }
-
-    pub fn name(&self) -> &str {
-        &self.name
-    }
-}
-
-impl Function for ExpressionFunction {
-    fn eval(&self, args: FunctionArgument, ctx: &Context) -> Result<Complex, String> {
-        if args.len() == self.args.len() {
-            let mut nctx = ctx.clone();
-            for (n, v) in zip(self.args.iter(), args.data().iter()) {
-                nctx.set_variable(n, *v)
-            }
-            nctx.set_function(self.name(), Arc::new(EmptyFunction {}));
-            self.expr.evaluate(&nctx)
-        } else {
-            Err(format!(
-                "{} takes {} parameters",
-                self.name,
-                self.args.len()
-            ))
-        }
-    }
-}