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Case split on one implicit of a group omits variable name #3487

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joelberkeley opened this issue Feb 10, 2025 · 0 comments · May be fixed by #3488
Open

Case split on one implicit of a group omits variable name #3487

joelberkeley opened this issue Feb 10, 2025 · 0 comments · May be fixed by #3488

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@joelberkeley
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If you write your implicit args as a group on the LHS, as in the example, below, then case split on one of them, it forgets to include implicit name in each case, which is invalid code

Steps to Reproduce

Case split on b in

foo : {a, b : Nat} -> () -> ()
foo {a, b} c = ?rhs

Expected Behavior

foo : {a, b : Nat} -> () -> ()
foo {a, b = 0} c = ?rhs_0
foo {a, b = (S k)} c = ?rhs_1

Observed Behavior

foo : {a, b : Nat} -> () -> ()
foo {a, 0} c = ?rhs_0
foo {a, (S k)} c = ?rhs_1
@dunhamsteve dunhamsteve linked a pull request Feb 12, 2025 that will close this issue
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[ fix ] case splitting with multiple implicits dunhamsteve/Idris2
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@joelberkeley