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Implement custom PartialEq for Value

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Erin 2021-08-28 23:43:59 +02:00 committed by ondra05
parent 160ebd649d
commit 2010b13168
1 changed files with 32 additions and 7 deletions
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39
ablescript/src/variables.rs
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@ -7,7 +7,7 @@ use rand::Rng;
use crate::{ast::Stmt, consts};
#[derive(Debug, Clone, Copy, PartialEq)]
#[derive(Debug, Clone, Copy, PartialEq, PartialOrd)]
pub enum Abool {
Never = -1,
Sometimes = 0,
@ -357,12 +357,37 @@ impl PartialOrd for Value {
None
}
}
Value::Str(_) => todo!(),
Value::Int(_) => todo!(),
Value::Bool(_) => todo!(),
Value::Abool(_) => todo!(),
Value::Functio(_) => todo!(),
Value::Cart(_) => todo!(),
Value::Str(s) => Some(s.cmp(&other.to_string())),
Value::Int(i) => Some(i.cmp(&other.into_i32())),
Value::Bool(b) => Some(b.cmp(&other.into_bool())),
Value::Abool(a) => a.partial_cmp(&other.into_abool()),
Value::Functio(f) => {
// Compares lengths of functions:
// BfFunctio - Sum of lengths of instructions and length of tape
// AbleFunctio - Sum of argument count and body length
// Eval - Length of input code
let selfl = match f {
Functio::BfFunctio {
instructions,
tape_len,
} => instructions.len() + tape_len,
Functio::AbleFunctio { params, body } => params.len() + body.len(),
Functio::Eval(s) => s.len(),
};
let otherl = match other.into_functio() {
Functio::BfFunctio {
instructions,
tape_len,
} => instructions.len() + tape_len,
Functio::AbleFunctio { params, body } => params.len() + body.len(),
Functio::Eval(s) => s.len(),
};
Some(selfl.cmp(&otherl))
}
Value::Cart(c) => Some(c.len().cmp(&other.into_cart().len())),
}
}
}