//! `or`.
use crate::ast::{BinOp, Expr};
use crate::parser::{PResult, Parser};
use crate::words::{Level, Role, Word};
pub static WORD: Word = Word {
text: "or",
doc: "Either holds: `a or b` (or `a || b`); `b` is evaluated only when `a` doesn't.",
reserved: true,
roles: &[Role::Infix { level: Level::Or, parse, negatable: false }],
};
fn parse(p: &mut Parser, left: Expr, _negated: bool) -> PResult<Expr> {
p.bump();
let right = p.binary(Level::Or.tighter())?;
Ok(Parser::binary_node(BinOp::Or, left, right))
}