serene-rust-implementation/src/types/number.rs

37 lines
1.1 KiB
Rust

use crate::namespace::Namespace;
use crate::types::core::{ExprResult, Expression};
// Note: I kept the number implementation simple for now
// but we need to decide on our approach to numbers, are
// we going to only support the 64bit variants? or should
// try to be smart and support 32 and 64 and switch between
// them ?
// What about usize and isize ?
#[derive(Debug, Clone)]
pub enum Number {
Integer(i64),
Float(f64),
}
impl PartialEq for Number {
fn eq(&self, other: &Self) -> bool {
// TODO: Eval other
let comb = (&self, &other);
match comb {
(Number::Integer(x), Number::Integer(y)) => *x == *y,
(Number::Float(x), Number::Float(y)) => *x == *y,
(Number::Integer(x), Number::Float(y)) => *x as f64 == *y,
(Number::Float(x), Number::Integer(y)) => *x == *y as f64,
}
}
}
impl Eq for Number {}
impl<'a> Expression<'a> for Number {
fn eval() {}
fn code_gen(&self, ns: &Namespace) -> ExprResult<'a> {
Err("Not implemented on numbers".to_string())
}
}