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fix(frontends/lean/structure_cmd): internal name of parameter/variable was being erased

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Leonardo de Moura 2015-02-23 15:01:27 -08:00
parent 7d35d18cad
commit 75acb3bc66
2 changed files with 15 additions and 1 deletions
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3
src/frontends/lean/structure_cmd.cpp
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@ -274,7 +274,8 @@ struct structure_cmd_fn {
*/
expr update_locals(expr new_tmp, buffer<expr> & locals) {
for (unsigned i = 0; i < locals.size(); i++) {
expr new_local = mk_local(binding_name(new_tmp), binding_domain(new_tmp), binding_info(new_tmp));
expr new_local = mk_local(mlocal_name(locals[i]), binding_name(new_tmp), binding_domain(new_tmp),
binding_info(new_tmp));
locals[i] = new_local;
new_tmp = instantiate(binding_body(new_tmp), new_local);
}

13
tests/lean/hott/443.hlean Normal file
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@ -0,0 +1,13 @@
import algebra.group algebra.precategory.basic algebra.precategory.morphism
open eq sigma unit precategory morphism path_algebra
context
parameters {P₀ : Type} [P : precategory P₀]
structure my_structure := (a : P₀) (b : P₀) (f : @hom P₀ P a b)
include P
structure another_structure (X : my_structure) := (field1 : hom (my_structure.a X) (my_structure.a X))
end