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"on_package_load", "pairlist2", "parse_bytes", "parse_expr", "parse_exprs", "parse_quo", "parse_quos", "peek_option", "peek_options", "pkg_env", "pkg_env_name", "prim_name", "push_options", "qq_show", "quo", "quo_expr", "quo_get_env", "quo_get_expr", "quo_is_call", "quo_is_missing", "quo_is_null", "quo_is_symbol", "quo_is_symbolic", "quo_label", "quo_name", "quo_set_env", "quo_set_expr", "quo_squash", "quo_text", "quos", "quos_auto_name", "raw_deparse_str", "rep_along", "rep_named", "reset_message_verbosity", "reset_warning_verbosity", "return_from", "run_on_load", "scoped_bindings", "scoped_env", "scoped_interactive", "scoped_options", "search_env", "search_envs", "seq2", "seq2_along", "set_attrs", "set_env", "set_expr", "set_names", "signal", "splice", "squash", "squash_chr", "squash_cpl", "squash_dbl", "squash_if", "squash_int", "squash_lgl", "squash_raw", "stop_input_type", "string", "switch_class", "switch_type", "sym", "syms", "trace_back", "trace_length", "try_fetch", "type_of", "unbox", "UQ", "UQS", "vec_poke_n", "vec_poke_range", "warn", "warning_cnd", "with_bindings", "with_env", "with_handlers", "with_interactive", "with_options", "wref_key", "wref_value", "zap", "zap_srcref" ], "_help": [ { "page": "abort", "title": "Signal an error, warning, or message", "topics": [ "abort", "inform", "reset_message_verbosity", "reset_warning_verbosity", "signal", "warn" ] }, { "page": "arg_match", "title": "Match an argument to a character vector", "topics": [ "arg_match", "arg_match0" ] }, { "page": "args_error_context", "title": "Documentation anchor for error arguments", "topics": [ "args_error_context" ] }, { "page": "as_box", "title": "Convert object to a box", "topics": [ "as_box", "as_box_if" ] }, { "page": "as_data_mask", "title": "Create a data mask", "topics": [ "as_data_mask", "as_data_pronoun", "new_data_mask" ] }, { "page": "as_environment", "title": "Coerce to an environment", "topics": [ "as_environment" ] }, { "page": "as_function", "title": "Convert to function", "topics": [ "as_function", "is_lambda" ] }, { "page": "as_label", "title": "Create a default name for an R object", "topics": [ "as_label" ] }, { "page": "as_name", "title": "Extract names from symbols", "topics": [ "as_name" ] }, { "page": "as_string", "title": "Cast symbol to string", "topics": [ "as_string" ] }, { "page": "bare-type-predicates", "title": "Bare type predicates", "topics": [ "bare-type-predicates", "is_bare_atomic", "is_bare_bytes", "is_bare_character", "is_bare_complex", "is_bare_double", "is_bare_integer", "is_bare_list", "is_bare_logical", "is_bare_numeric", "is_bare_raw", "is_bare_string", "is_bare_vector" ] }, { "page": "box", "title": "Box a value", "topics": [ "box", "is_box", "new_box", "unbox" ] }, { "page": "bytes-class", "title": "Human readable memory sizes", "topics": [ "as_bytes", "bytes-class", "parse_bytes" ] }, { "page": "call_args", "title": "Extract arguments from a call", "topics": [ "call_args", "call_args_names" ] }, { "page": "call_inspect", "title": "Inspect a call", "topics": [ "call_inspect" ] }, { "page": "call_match", "title": "Match supplied arguments to function definition", "topics": [ "call_match" ] }, { "page": "call_modify", "title": "Modify the arguments of a call", "topics": [ "call_modify" ] }, { "page": "call_name", "title": "Extract function name or namespace of a call", "topics": [ "call_name", "call_ns", "is_call_simple" ] }, { "page": "call2", "title": "Create a call", "topics": [ "call2" ] }, { "page": "caller_arg", "title": "Find the caller argument for error messages", "topics": [ "caller_arg" ] }, { "page": "catch_cnd", "title": "Catch a condition", "topics": [ "catch_cnd" ] }, { "page": "check_data_frame", "title": "Check argument type (data frame)", "concept": [ "input checkers" ], "topics": [ "check_data_frame" ] }, { "page": "check_dots_empty", "title": "Check that dots are empty", "concept": [ "dots checking functions" ], "topics": [ "check_dots_empty" ] }, { "page": "check_dots_unnamed", "title": "Check that all dots are unnamed", "concept": [ "dots checking functions" ], "topics": [ "check_dots_unnamed" ] }, { "page": "check_dots_used", "title": "Check that all dots have been used", "concept": [ "dots checking functions" ], "topics": [ "check_dots_used" ] }, { "page": "check_exclusive", "title": "Check that arguments are mutually exclusive", "topics": [ "check_exclusive" ] }, { "page": "check_required", "title": "Check that argument is supplied", "topics": [ "check_required" ] }, { "page": "check_type_number", "title": "Check argument type (numbers)", "concept": [ "input checkers" ], "topics": [ "check_number_decimal", "check_number_whole", "check_type_number" ] }, { "page": "check_type_scalar", "title": "Check argument type (scalar)", "concept": [ "input checkers" ], "topics": [ "check_bool", "check_string", "check_type_scalar" ] }, { "page": "cnd_inherits", "title": "Does a condition or its ancestors inherit from a class?", "topics": [ "cnd_inherits" ] }, { "page": "cnd_message", "title": "Build an error message from parts", "topics": [ "cnd_body", "cnd_footer", "cnd_header", "cnd_message" ] }, { "page": "cnd_signal", "title": "Signal a condition object", "topics": [ "cnd_signal" ] }, { "page": "done", "title": "Box a final value for early termination", "topics": [ "done", "is_done_box" ] }, { "page": "dot-data", "title": "'.data' and '.env' pronouns", "topics": [ ".data", ".env", "dot-data", "tidyeval-data" ] }, { "page": "dyn-dots", "title": "Dynamic dots features", "topics": [ ":=", "doc_dots_dynamic", "dyn-dots", "tidy-dots" ] }, { "page": "embrace-operator", "title": "Embrace operator {{", "topics": [ "curly-curly", "embrace-operator" ] }, { "page": "empty_env", "title": "Get the empty environment", "topics": [ "empty_env" ] }, { "page": "englue", "title": "Defuse function arguments with glue", "topics": [ "englue" ] }, { "page": "enquo", "title": "Defuse function arguments", "topics": [ "enquo", "enquos" ] }, { "page": "env", "title": "Create a new environment", "topics": [ "env", "new_environment" ] }, { "page": "env_bind", "title": "Bind symbols to objects in an environment", "topics": [ "%<~%", "env_bind", "env_bind_active", "env_bind_lazy" ] }, { "page": "env_browse", "title": "Browse environments", "topics": [ "env_browse", "env_is_browsed" ] }, { "page": "env_cache", "title": "Cache a value in an environment", "topics": [ "env_cache" ] }, { "page": "env_clone", "title": "Clone or coalesce an environment", "topics": [ "env_clone", "env_coalesce" ] }, { "page": "env_depth", "title": "Depth of an environment chain", "topics": [ "env_depth" ] }, { "page": "env_get", "title": "Get an object in an environment", "topics": [ "env_get", "env_get_list" ] }, { "page": "env_has", "title": "Does an environment have or see bindings?", "topics": [ "env_has" ] }, { "page": "env_inherits", "title": "Does environment inherit from another environment?", "topics": [ "env_inherits" ] }, { "page": "env_is_user_facing", "title": "Is frame environment user facing?", "topics": [ "env_is_user_facing" ] }, { "page": "env_name", "title": "Label of an environment", "topics": [ "env_label", "env_name" ] }, { "page": "env_names", "title": "Names and numbers of symbols bound in an environment", "topics": [ "env_length", "env_names" ] }, { "page": "env_parent", "title": "Get parent environments", "topics": [ "env_parent", "env_parents", "env_tail" ] }, { "page": "env_poke", "title": "Poke an object in an environment", "topics": [ "env_poke" ] }, { "page": "env_print", "title": "Pretty-print an environment", "topics": [ "env_print" ] }, { "page": "env_unbind", "title": "Remove bindings from an environment", "topics": [ "env_unbind" ] }, { "page": "eval_bare", "title": "Evaluate an expression in an environment", "topics": [ "eval_bare" ] }, { "page": "eval_tidy", "title": "Evaluate an expression with quosures and pronoun support", "topics": [ "eval_tidy" ] }, { "page": "exec", "title": "Execute a function", "topics": [ "exec" ] }, { "page": "expr", "title": "Defuse an R expression", "topics": [ "expr" ] }, { "page": "expr_print", "title": "Print an expression", "topics": [ "expr_deparse", "expr_print" ] }, { "page": "exprs_auto_name", "title": "Ensure that all elements of a list of expressions are named", "topics": [ "exprs_auto_name", "quos_auto_name" ] }, { "page": "f_rhs", "title": "Get or set formula components", "topics": [ "f_env", "f_env<-", "f_lhs", "f_lhs<-", "f_rhs", "f_rhs<-" ] }, { "page": "f_text", "title": "Turn RHS of formula into a string or label", "topics": [ "f_label", "f_name", "f_text" ] }, { "page": "faq-options", "title": "Global options for rlang", "topics": [ "faq-options" ] }, { "page": "fn_body", "title": "Get or set function body", "topics": [ "fn_body", "fn_body<-" ] }, { "page": "fn_env", "title": "Return the closure environment of a function", "topics": [ "fn_env", "fn_env<-" ] }, { "page": "fn_fmls", "title": "Extract arguments from a function", "topics": [ "fn_fmls", "fn_fmls<-", "fn_fmls_names", "fn_fmls_names<-", "fn_fmls_syms" ] }, { "page": "format_error_bullets", "title": "Format bullets for error messages", "topics": [ "format_error_bullets" ] }, { "page": "get_env", "title": "Get or set the environment of an object", "topics": [ "env_poke_parent", "get_env", "set_env" ] }, { "page": "global_entrace", "title": "Entrace unexpected errors", "topics": [ "global_entrace" ] }, { "page": "global_handle", "title": "Register default global handlers", "topics": [ "global_handle" ] }, { "page": "global_prompt_install", "title": "Prompt user to install missing packages", "topics": [ "global_prompt_install" ] }, { "page": "glue-operators", "title": "Name injection with '\"{\"' and '\"{{\"'", "topics": [ "glue-operators" ] }, { "page": "has_name", "title": "Does an object have an element with this name?", "topics": [ "has_name" ] }, { "page": "hash", "title": "Hashing", "topics": [ "hash", "hash_file" ] }, { "page": "inherits_any", "title": "Does an object inherit from a set of classes?", "topics": [ "inherits_all", "inherits_any", "inherits_only" ] }, { "page": "inject", "title": "Inject objects in an R expression", "topics": [ "inject" ] }, { "page": "injection-operator", "title": "Injection operator !!", "topics": [ "!!", "bang-bang", "injection-operator" ] }, { "page": "is_call", "title": "Is object a call?", "topics": [ "is_call" ] }, { "page": "is_empty", "title": "Is object an empty vector or NULL?", "topics": [ "is_empty" ] }, { "page": "is_environment", "title": "Is object an environment?", "topics": [ "is_bare_environment", "is_environment" ] }, { "page": "is_expression", "title": "Is an object an expression?", "topics": [ "is_expression", "is_symbolic", "is_syntactic_literal" ] }, { "page": "is_formula", "title": "Is object a formula?", "topics": [ "is_bare_formula", "is_formula" ] }, { "page": "is_function", "title": "Is object a function?", "topics": [ "is_closure", "is_function", "is_primitive", "is_primitive_eager", "is_primitive_lazy" ] }, { "page": "is_installed", "title": "Are packages installed in any of the libraries?", "topics": [ "check_installed", "is_installed" ] }, { "page": "is_integerish", "title": "Is a vector integer-like?", "topics": [ "is_bare_integerish", "is_integerish", "is_scalar_integerish" ] }, { "page": "is_interactive", "title": "Is R running interactively?", "topics": [ "is_interactive", "local_interactive", "with_interactive" ] }, { "page": "is_named", "title": "Is object named?", "topics": [ "have_name", "is_named", "is_named2" ] }, { "page": "is_namespace", "title": "Is an object a namespace environment?", "topics": [ "is_namespace" ] }, { "page": "is_symbol", "title": "Is object a symbol?", "topics": [ "is_symbol" ] }, { "page": "is_true", "title": "Is object identical to TRUE or FALSE?", "topics": [ "is_false", "is_true" ] }, { "page": "is_weakref", "title": "Is object a weak reference?", "topics": [ "is_weakref" ] }, { "page": "last_error", "title": "Last 'abort()' error", "topics": [ "last_error", "last_trace" ] }, { "page": "last_warnings", "title": "Display last messages and warnings", "topics": [ "last_messages", "last_warnings" ] }, { "page": "list2", "title": "Collect dynamic dots in a list", "topics": [ "dots_list", "list2", "ll" ] }, { "page": "local_bindings", "title": "Temporarily change bindings of an environment", "topics": [ "local_bindings", "with_bindings" ] }, { "page": "local_error_call", "title": "Set local error call in an execution environment", "topics": [ "local_error_call" ] }, { "page": "local_options", "title": "Change global options", "topics": [ "local_options", "peek_option", "peek_options", "push_options", "with_options" ] }, { "page": "missing_arg", "title": "Generate or handle a missing argument", "topics": [ "is_missing", "maybe_missing", "missing_arg" ] }, { "page": "names2", "title": "Get names of a vector", "topics": [ "names2", "names2<-" ] }, { "page": "new_formula", "title": "Create a formula", "topics": [ "new_formula" ] }, { "page": "new_function", "title": "Create a function", "topics": [ "new_function" ] }, { "page": "new_quosure", "title": "Create a quosure from components", "topics": [ "as_quosure", "is_quosure", "new_quosure" ] }, { "page": "new_quosures", "title": "Create a list of quosures", "topics": [ "as_quosures", "is_quosures", "new_quosures" ] }, { "page": "new_weakref", "title": "Create a weak reference", "topics": [ "new_weakref" ] }, { "page": "on_load", "title": "Run expressions on load", "topics": [ "on_load", "on_package_load", "run_on_load" ] }, { "page": "op-get-attr", "title": "Infix attribute accessor and setter", "topics": [ "%@%", "%@%<-", "op-get-attr" ] }, { "page": "op-null-continuation", "title": "Default value for non-'NULL'", "topics": [ "%&&%", "op-null-continuation" ] }, { "page": "op-null-default", "title": "Default value for 'NULL'", "topics": [ "%||%", "op-null-default" ] }, { "page": "pairlist2", "title": "Collect dynamic dots in a pairlist", "topics": [ "pairlist2" ] }, { "page": "parse_expr", "title": "Parse R code", "topics": [ "parse_expr", "parse_exprs", "parse_quo", "parse_quos" ] }, { "page": "qq_show", "title": "Show injected expression", "topics": [ "qq_show" ] }, { "page": "quo_squash", "title": "Squash a quosure", "topics": [ "quo_squash" ] }, { "page": "quosure-tools", "title": "Quosure getters, setters and predicates", "topics": [ "quosure", "quosure-tools", "quo_get_env", "quo_get_expr", "quo_is_call", "quo_is_missing", "quo_is_null", "quo_is_symbol", "quo_is_symbolic", "quo_set_env", "quo_set_expr" ] }, { "page": "rep_along", "title": "Create vectors matching the length of a given vector", "topics": [ "rep_along", "rep_named" ] }, { "page": "rlang_backtrace_on_error", "title": "Display backtrace on error", "topics": [ "add_backtrace", "rlang_backtrace_on_error", "rlang_backtrace_on_error_report", "rlang_backtrace_on_warning_report" ] }, { "page": "rlang_error", "title": "Errors of class 'rlang_error'", "topics": [ "rlang_error" ] }, { "page": "scalar-type-predicates", "title": "Scalar type predicates", "topics": [ "is_bool", "is_scalar_atomic", "is_scalar_bytes", "is_scalar_character", "is_scalar_complex", "is_scalar_double", "is_scalar_integer", "is_scalar_list", "is_scalar_logical", "is_scalar_raw", "is_scalar_vector", "is_string", "scalar-type-predicates" ] }, { "page": "seq2", "title": "Increasing sequence of integers in an interval", "topics": [ "seq2", "seq2_along" ] }, { "page": "set_names", "title": "Set names of a vector", "topics": [ "set_names" ] }, { "page": "splice", "title": "Splice values at dots collection time", "topics": [ "is_spliced", "is_spliced_bare", "splice" ] }, { "page": "splice-operator", "title": "Splice operator !!!", "topics": [ "!!!", "splice-operator" ] }, { "page": "stack", "title": "Get properties of the current or caller frame", "topics": [ "caller_call", "caller_env", "caller_fn", "current_call", "current_env", "current_fn", "frame_call", "frame_fn", "stack" ] }, { "page": "stop_input_type", "title": "Throw a type mismatch error", "concept": [ "input checkers" ], "topics": [ "stop_input_type" ] }, { "page": "sym", "title": "Create a symbol or list of symbols", "topics": [ "data_sym", "data_syms", "sym", "syms" ] }, { "page": "trace_back", "title": "Capture a backtrace", "topics": [ "trace_back", "trace_length" ] }, { "page": "try_fetch", "title": "Try an expression with condition handlers", "topics": [ "try_fetch" ] }, { "page": "type-predicates", "title": "Type predicates", "topics": [ "is_atomic", "is_bytes", "is_character", "is_complex", "is_double", "is_integer", "is_list", "is_logical", "is_null", "is_raw", "is_vector", "type-predicates" ] }, { "page": "vector-construction", "title": "Create vectors", "topics": [ "bytes", "chr", "cpl", "dbl", "int", "lgl", "vector-construction" ] }, { "page": "wref_key", "title": "Get key/value from a weak reference object", "topics": [ "wref_key", "wref_value" ] }, { "page": "zap", "title": "Create zap objects", "topics": [ "is_zap", "zap" ] }, { "page": "zap_srcref", "title": "Zap source references", "topics": [ "zap_srcref" ] } ], "_pkglogo": "https://github.com/r-lib/rlang/raw/v1.2.0/man/figures/logo.png", "_readme": "https://github.com/r-lib/rlang/raw/v1.2.0/README.md", "_rundeps": [], "_score": 20.94641576218795, "_indexed": false, "_nocasepkg": "rlang", "_universes": [ "r-multiverse" ], "_indexurl": "https://r-lib.r-universe.dev/rlang", "_previous": "1.1.7", "_binaries": [ { "r": "4.6.0", "os": "linux", "version": "1.2.0", "date": "2026-04-07T08:17:22.000Z", "distro": "noble", "arch": "aarch64", "commit": "31ca80fc99e20834bacf51f4a392866b2b714195", "fileid": "7de6f3ea05d3bdf884abf79904fe3439d126766a4c75aac078d311f8f7a96750", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/r-multiverse/actions/runs/24071318758" }, { "r": "4.6.0", "os": "linux", "version": "1.2.0", "date": 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