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Functions
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use std::fmt::{Display, Formatter};
use serde::{Deserialize, Serialize};
use uniplate::derive::Uniplate;
#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, Uniplate)]
#[uniplate()]
/// A literal value, equivalent to constants in Conjure.
pub enum Literal {
Int(i32),
Bool(bool),
}
impl TryFrom<Literal> for i32 {
type Error = &'static str;
fn try_from(value: Literal) -> Result<Self, Self::Error> {
match value {
Literal::Int(i) => Ok(i),
_ => Err("Cannot convert non-i32 literal to i32"),
impl TryFrom<Literal> for bool {
Literal::Bool(b) => Ok(b),
_ => Err("Cannot convert non-bool literal to bool"),
impl From<i32> for Literal {
fn from(i: i32) -> Self {
Literal::Int(i)
impl From<bool> for Literal {
fn from(b: bool) -> Self {
Literal::Bool(b)
impl Display for Literal {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
match &self {
Literal::Int(i) => write!(f, "{}", i),
Literal::Bool(b) => write!(f, "{}", b),