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Start using HalfExp

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This commit is contained in:
greg 2018-08-22 16:41:31 -07:00
parent 2d961d6402
commit b85725125c
1 changed files with 9 additions and 2 deletions
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11
schala-lang/src/parsing.rs
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@ -695,7 +695,6 @@ impl Parser {
parse_method!(guard_arm(&mut self) -> ParseResult<GuardArm> {
let guard = self.guard()?;
expect!(self, Operator(ref c) if **c == "->");
println!("WE HIIII? {:?}", self.peek());
let body = self.expr_or_block()?;
Ok(GuardArm { guard, body })
});
@ -707,7 +706,15 @@ impl Parser {
let pat = self.pattern()?;
Guard::Pat(pat)
},
e => return ParseError::new(&format!("{:?} not valid in pattern guard", e)),
ref tok if BinOp::from_sigil_token(tok).is_some() => {
let op = BinOp::from_sigil_token(&self.next()).unwrap();
let Expression(expr, _) = self.expression()?;
Guard::HalfExpr(HalfExpr { op: Some(op), expr })
},
_ => {
let Expression(expr, _) = self.expression()?;
Guard::HalfExpr(HalfExpr { op: None, expr })
}
})
});