Mark parameters that have a default argument as = ... - #159
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Default-arg presence is in every Scala 2 pickle and TASTy file but was never read: the printer worked from the MethodType alone, which has no param symbols. Walk paramSymss alongside the type so isParamWithDefault is available per clause. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
TASTy does not flag `m$default$N` synthetic the way Scala 2 pickles do, so every Scala 3 method with defaults listed its getters as extra members. The default is already visible as `= ...` on the parameter. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Default-arg presence is in every Scala 2 pickle and TASTy file but was never read: the printer worked from the MethodType alone, which has no param symbols. Walk paramSymss alongside the type so isParamWithDefault is available per clause.