fishy commented on a change in pull request #2453:
URL: https://github.com/apache/thrift/pull/2453#discussion_r705484141
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File path: compiler/cpp/src/thrift/generate/t_go_generator.cc
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@@ -4021,7 +4021,7 @@ string t_go_generator::type_to_go_key_type(t_type* type) {
}
if (resolved_type->is_binary())
- return "string";
+ return "[]byte";
Review comment:
this is not the correct fix.
this function is called `type_to_go_key_type`, it's used to generate go type
for keys in maps, and you cannot use `[]byte` as a map key in go. this will
break all the maps using binary as the key type.
the correct fix is to call `type_to_go_type` instead in `render_const_value`
for sets (because in go we don't actually render sets as maps, we render them
as slices instead).
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