Assigning an empty tuple to a variable will cause a panic
Reproducible code
a = ()
Expected result
No error
Actual result
[DEBUG] compiler\erg_compiler\lower.rs:2159: the AST lowering process has completed.
[DEBUG] compiler\erg_compiler\effectcheck.rs:0089: the side-effects checking process has started.
[DEBUG] compiler\erg_compiler\effectcheck.rs:0197: the side-effects checking process has completed, found errors: 0
[DEBUG] compiler\erg_compiler\ownercheck.rs:0071: the ownership checking process has started.
[DEBUG] compiler\erg_compiler\ownercheck.rs:0298: define: ::D(: Tuple([]))
[DEBUG] compiler\erg_compiler\ownercheck.rs:0080: [DEBUG] the ownership checking process has completed, found errors: 0
[DEBUG] compiler\erg_compiler\link.rs:0034: the linking process has started.
[DEBUG] compiler\erg_compiler\link.rs:0041: linked: ::D(: Tuple([])) =
(
)(: Tuple([]))
[DEBUG] compiler\erg_compiler\desugar_hir.rs:0011: HIR desugaring process has started.
[DEBUG] compiler\erg_compiler\desugar_hir.rs:0013: HIR desugaring process has completed.
[DEBUG] compiler\erg_compiler\codegen.rs:2892: the code-generating process has started.
[DEBUG] compiler\erg_compiler\codegen.rs:2367: entered emit_expr (::D(: Tuple([])) =
(
)(: Tuple([])))
[DEBUG] compiler\erg_compiler\codegen.rs:0912: entered emit_def (::D(: Tuple([])))
[DEBUG] compiler\erg_compiler\codegen.rs:1211: entered emit_var_def (::D(: Tuple([])) = (
)(: Tuple([])))
[DEBUG] compiler\erg_compiler\codegen.rs:2367: entered emit_expr ((
)(: Tuple([])))
thread '<unnamed>' panicked at '(
)(: Tuple([]))', compiler\erg_compiler\codegen.rs:2368:46
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
The REPL server is closed.
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Any { .. }', src\main.rs:72:22
error: process didn't exit successfully: `target\debug\erg.exe` (exit code: 101)
Describe the bug?
Assigning an empty tuple to a variable will cause a panic
Reproducible code
a = ()
Expected result
No error
Actual result
Additional context
Does not occur in other Set, Array, Record.
Erg version
Erg 0.6.0-beta.0
Python version
3.10.8
OS
Windows 10