use std::convert::TryInto;
use crate::serialization::op_code::OpCode;
use crate::serialization::sigma_byte_reader::SigmaByteRead;
use crate::serialization::sigma_byte_writer::SigmaByteWrite;
use crate::serialization::SigmaParsingError;
use crate::serialization::SigmaSerializable;
use crate::serialization::SigmaSerializeResult;
use crate::types::stuple::STuple;
use crate::types::stuple::TupleItems;
use crate::types::stype::SType;
use super::expr::Expr;
use super::expr::InvalidArgumentError;
use crate::has_opcode::HasStaticOpCode;
#[derive(PartialEq, Eq, Debug, Clone)]
pub struct Tuple {
pub items: TupleItems<Expr>,
}
impl Tuple {
pub fn new(items: Vec<Expr>) -> Result<Self, InvalidArgumentError> {
Ok(Tuple {
items: items.try_into()?,
})
}
pub fn tpe(&self) -> SType {
SType::STuple(STuple {
items: self.items.mapped_ref(|it| it.tpe()),
})
}
}
impl HasStaticOpCode for Tuple {
const OP_CODE: OpCode = OpCode::TUPLE;
}
impl SigmaSerializable for Tuple {
fn sigma_serialize<W: SigmaByteWrite>(&self, w: &mut W) -> SigmaSerializeResult {
w.put_u8(self.items.len() as u8)?;
self.items.iter().try_for_each(|i| i.sigma_serialize(w))
}
fn sigma_parse<R: SigmaByteRead>(r: &mut R) -> Result<Self, SigmaParsingError> {
let items_count = r.get_u8()?;
let mut items = Vec::with_capacity(items_count as usize);
for _ in 0..items_count {
items.push(Expr::sigma_parse(r)?);
}
Ok(Tuple {
items: items.try_into()?,
})
}
}
#[cfg(feature = "arbitrary")]
#[allow(clippy::unwrap_used)]
mod arbitrary {
use super::*;
use crate::mir::constant::Constant;
use proptest::collection::*;
use proptest::prelude::*;
impl Arbitrary for Tuple {
type Strategy = BoxedStrategy<Self>;
type Parameters = ();
fn arbitrary_with(_args: Self::Parameters) -> Self::Strategy {
prop_oneof![
vec(any::<Expr>(), 2..4),
vec(any::<Constant>().prop_map_into(), 2..4)
]
.prop_map(move |items| Self::new(items).unwrap())
.boxed()
}
}
}
#[cfg(test)]
#[cfg(feature = "arbitrary")]
#[allow(clippy::panic)]
mod tests {
use super::*;
use crate::serialization::sigma_serialize_roundtrip;
use proptest::prelude::*;
proptest! {
#[test]
fn ser_roundtrip(v in any::<Tuple>()) {
let expr: Expr = v.into();
prop_assert_eq![sigma_serialize_roundtrip(&expr), expr];
}
}
}