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use std::fmt::{Display, Formatter, LowerHex, UpperHex, Write};
mod as_tex;
mod as_wolfram;
mod predefined;
mod utils;
pub use self::{predefined::*, utils::List};
pub enum ASTNode {
Sequence(Sequence),
List(List),
Variable(String),
Function(String, Vec<ASTNode>),
Evaluated(Box<dyn WoTeXFunction>),
}
pub trait WoTeXFunction: LowerHex + UpperHex {
fn as_tex(&self) -> String {
format!("{:x}", self)
}
fn as_wolfram(&self) -> String {
format!("{:X}", self)
}
}
pub struct Sequence {
inner: Vec<ASTNode>,
}
impl Default for Sequence {
fn default() -> Self {
Self { inner: vec![] }
}
}
pub struct Integrate {
pub kind: String,
pub regional: bool,
pub expr: Sequence,
pub vars: Vec<List>,
}
pub struct MaybeParentheses {
head: String,
operator_name: bool,
rest: Vec<Sequence>,
}
#[test]
fn test() {
let seq = Sequence { inner: vec![ASTNode::Variable("a".to_string()), ASTNode::Variable("b".to_string())] };
let sin = TrigonometricFunction::sin(seq);
let ast = ASTNode::Evaluated(sin);
println!("{:x}", ast);
let expr = Sequence { inner: vec![ASTNode::Variable("x".to_string()), ASTNode::Variable("y".to_string())] };
let vars = List::one(ASTNode::Variable("x".to_string()));
let int = Integrate::int(expr, vec![vars], false);
let ast = ASTNode::Evaluated(int);
println!("{:x}", ast);
}