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defer() defer_parent() deferred_run() deferred_clear()
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Defer Evaluation of an Expression |
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with_bmp() local_bmp() with_cairo_pdf() local_cairo_pdf() with_cairo_ps() local_cairo_ps() with_pdf() local_pdf() with_postscript() local_postscript() with_svg() local_svg() with_tiff() local_tiff() with_xfig() local_xfig() with_png() local_png() with_jpeg() local_jpeg()
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Graphics devices |
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with_collate() local_collate()
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Collation Order |
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with_connection() local_connection()
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Connections which close themselves |
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with_db_connection() local_db_connection()
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DBMS Connections which disconnect themselves. |
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with_dir() local_dir() with_tempdir()
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Working directory |
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with_envvar() local_envvar()
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Environment variables |
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with_file() local_file()
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Files which delete themselves |
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with_gctorture2()
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Torture Garbage Collector |
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with_libpaths() local_libpaths()
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Library paths |
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with_locale() local_locale()
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Locale settings |
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with_makevars()
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Makevars variables |
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with_options() local_options()
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Options |
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with_package() local_package() with_namespace() local_namespace() with_environment() local_environment()
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Execute code with a modified search path |
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with_par() local_par()
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Graphics parameters |
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with_path() local_path()
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PATH environment variable |
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with_rng_version() local_rng_version()
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RNG version |
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with_seed() with_preserve_seed()
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Random seed |
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with_output_sink() local_output_sink() with_message_sink() local_message_sink()
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Output redirection |
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with_temp_libpaths() local_temp_libpaths()
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Library paths |
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with_tempfile() local_tempfile()
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Temporary files |
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with_timezone() local_timezone()
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Time zone |
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withr
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Execute code in temporarily altered environment |