search for: _r_compare_lang_objects

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2024 Mar 04
1
Ordered comparison operators on language objects will signal errors
...red comparison operators <, <=, >, >= are used on language objects. A small number of CRAN and BIOC packages will fail after this change. If you want to check your packages or code before the change is committed you can run the current R-devel with the environment variable setting _R_COMPARE_LANG_OBJECTS=eqonly where using such a comparison now produces > quote(x + y) > 1 Error in quote(x + y) > 1 : comparison (>) is not possible for language types Best, luke -- Luke Tierney Ralph E. Wareham Professor of Mathematical Sciences University of Iowa P...