*.go: update to golangci-lint, and fix everything #76

Annotations

10 errors

obj.Origin undefined (type *types.Var has no field or method Origin)

obj.Origin undefined (type *types.Func has no field or method Origin)

g.info.ObjectOf(decl.Name).(*types.Func).Origin undefined (type *types.Func has no field or method Origin)

obj.Origin undefined (type *types.Func has no field or method Origin)

obj.Origin undefined (type *types.Func has no field or method Origin)

undefined: time.DateTime

undefined: time.DateOnly

undefined: time.TimeOnly

obj.Origin undefined (type *types.Func has no field or method Origin)

obj.Origin undefined (type *types.Func has no field or method Origin)