already defined unit at ./testdata/language-features/basic-values/redefine01.reject.lc:3:1:
unit = ()
^^^^
and at ./testdata/language-features/basic-values/redefine01.reject.lc:1:1:
unit = ()
^^^^
------------ trace
unit :: ()
tuple :: ()
unit :: ()
!already defined unit at ./testdata/language-features/basic-values/redefine01.reject.lc:3:1:
unit = ()
^^^^
and at ./testdata/language-features/basic-values/redefine01.reject.lc:1:1:
unit = ()
^^^^
------------ tooltips
1:1-1:5
    ()
1:8-1:10
    ()
2:1-2:6
    ()
2:9-2:11
    ()
3:1-3:5
    ()
3:8-3:10
    ()