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Require let to be a statement (#594)

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JT
2021-12-27 14:04:22 +11:00
committed by GitHub
parent de30236f38
commit 3706bef0a1
6 changed files with 58 additions and 31 deletions
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10
crates/nu-parser/src/parser.rs
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@ -3352,6 +3352,16 @@ pub fn parse_block(
})
.collect::<Vec<Expression>>();
if let Some(let_call_id) = working_set.find_decl(b"let") {
for expr in output.iter() {
if let Expr::Call(x) = &expr.expr {
if let_call_id == x.decl_id && output.len() != 1 && error.is_none() {
error = Some(ParseError::LetNotStatement(expr.span));
}
}
}
}
for expr in output.iter_mut().skip(1) {
if expr.has_in_variable(working_set) {
*expr = wrap_expr_with_collect(working_set, expr);