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use crate::ast;
use crate::{Parse, ParseError, Parser, Peek, Peeker, Spanned, ToTokens};
#[derive(Debug, Clone, PartialEq, Eq, ToTokens, Spanned)]
pub struct LitBool {
pub token: ast::Token,
#[rune(skip)]
pub value: bool,
}
impl Parse for LitBool {
fn parse(p: &mut Parser) -> Result<Self, ParseError> {
let token = p.next()?;
let value = match token.kind {
K![true] => true,
K![false] => false,
_ => {
return Err(ParseError::expected(
&token,
"boolean literal `true` or `false`",
));
}
};
Ok(Self { value, token })
}
}
impl Peek for LitBool {
fn peek(p: &mut Peeker<'_>) -> bool {
matches!(p.nth(0), K![true] | K![false])
}
}