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use crate::{Expression, Node, Span, Type};
use serde::{Deserialize, Serialize};
use std::fmt;
mod variable_name;
pub use variable_name::*;
mod declare;
pub use declare::*;
#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Debug)]
pub struct DefinitionStatement {
pub declaration_type: Declare,
pub variable_names: Vec<VariableName>,
pub type_: Option<Type>,
pub value: Expression,
pub span: Span,
}
impl fmt::Display for DefinitionStatement {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{} ", self.declaration_type)?;
if self.variable_names.len() == 1 {
write!(f, "{}", self.variable_names[0])?;
} else {
let names = self
.variable_names
.iter()
.map(|x| x.to_string())
.collect::<Vec<_>>()
.join(",");
write!(f, "({})", names)?;
}
if self.type_.is_some() {
write!(f, ": {}", self.type_.as_ref().unwrap())?;
}
write!(f, " = {};", self.value)
}
}
impl Node for DefinitionStatement {
fn span(&self) -> &Span {
&self.span
}
fn set_span(&mut self, span: Span) {
self.span = span;
}
}