Functions for Base Types and Core R and 'Tidyverse' Features

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Documentation for package ‘rlang’ version 1.1.4

• DESCRIPTION file.
• Package NEWS.

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A B C D E F G H I L M N O P Q R S T U V W Z misc

-- A --

abort	Signal an error, warning, or message
add_backtrace	Display backtrace on error
args_error_context	Documentation anchor for error arguments
arg_match	Match an argument to a character vector
arg_match0	Match an argument to a character vector
as_box	Convert object to a box
as_box_if	Convert object to a box
as_bytes	Human readable memory sizes
as_data_mask	Create a data mask
as_data_pronoun	Create a data mask
as_environment	Coerce to an environment
as_function	Convert to function
as_label	Create a default name for an R object
as_name	Extract names from symbols
as_quosure	Create a quosure from components
as_quosures	Create a list of quosures
as_string	Cast symbol to string

-- B --

bang-bang	Injection operator !!
bare-type-predicates	Bare type predicates
box	Box a value
bytes	Create vectors
bytes-class	Human readable memory sizes

-- C --

call2	Create a call
caller_arg	Find the caller argument for error messages
caller_call	Get properties of the current or caller frame
caller_env	Get properties of the current or caller frame
caller_fn	Get properties of the current or caller frame
call_args	Extract arguments from a call
call_args_names	Extract arguments from a call
call_inspect	Inspect a call
call_match	Match supplied arguments to function definition
call_modify	Modify the arguments of a call
call_name	Extract function name or namespace of a call
call_ns	Extract function name or namespace of a call
catch_cnd	Catch a condition
check_dots_empty	Check that dots are empty
check_dots_unnamed	Check that all dots are unnamed
check_dots_used	Check that all dots have been used
check_exclusive	Check that arguments are mutually exclusive
check_installed	Are packages installed in any of the libraries?
check_required	Check that argument is supplied
chr	Create vectors
cnd_body	Build an error message from parts
cnd_footer	Build an error message from parts
cnd_header	Build an error message from parts
cnd_inherits	Does a condition or its ancestors inherit from a class?
cnd_message	Build an error message from parts
cnd_signal	Signal a condition object
cpl	Create vectors
curly-curly	Embrace operator {{
current_call	Get properties of the current or caller frame
current_env	Get properties of the current or caller frame
current_fn	Get properties of the current or caller frame

-- D --

data_sym	Create a symbol or list of symbols
data_syms	Create a symbol or list of symbols
dbl	Create vectors
doc_dots_dynamic	Dynamic dots features
done	Box a final value for early termination
dot-data	'.data' and '.env' pronouns
dots_list	Collect dynamic dots in a list
dyn-dots	Dynamic dots features

-- E --

embrace-operator	Embrace operator {{
empty_env	Get the empty environment
englue	Defuse function arguments with glue
enquo	Defuse function arguments
enquos	Defuse function arguments
env	Create a new environment
env_bind	Bind symbols to objects in an environment
env_bind_active	Bind symbols to objects in an environment
env_bind_lazy	Bind symbols to objects in an environment
env_browse	Browse environments
env_cache	Cache a value in an environment
env_clone	Clone or coalesce an environment
env_coalesce	Clone or coalesce an environment
env_depth	Depth of an environment chain
env_get	Get an object in an environment
env_get_list	Get an object in an environment
env_has	Does an environment have or see bindings?
env_inherits	Does environment inherit from another environment?
env_is_browsed	Browse environments
env_is_user_facing	Is frame environment user facing?
env_label	Label of an environment
env_length	Names and numbers of symbols bound in an environment
env_name	Label of an environment
env_names	Names and numbers of symbols bound in an environment
env_parent	Get parent environments
env_parents	Get parent environments
env_poke	Poke an object in an environment
env_poke_parent	Get or set the environment of an object
env_print	Pretty-print an environment
env_tail	Get parent environments
env_unbind	Remove bindings from an environment
eval_bare	Evaluate an expression in an environment
eval_tidy	Evaluate an expression with quosures and pronoun support
exec	Execute a function
expr	Defuse an R expression
exprs_auto_name	Ensure that all elements of a list of expressions are named
expr_deparse	Print an expression
expr_print	Print an expression

-- F --

faq-options	Global options for rlang
fn_body	Get or set function body
fn_body<-	Get or set function body
fn_env	Return the closure environment of a function
fn_env<-	Return the closure environment of a function
fn_fmls	Extract arguments from a function
fn_fmls<-	Extract arguments from a function
fn_fmls_names	Extract arguments from a function
fn_fmls_names<-	Extract arguments from a function
fn_fmls_syms	Extract arguments from a function
format_error_bullets	Format bullets for error messages
frame_call	Get properties of the current or caller frame
frame_fn	Get properties of the current or caller frame
f_env	Get or set formula components
f_env<-	Get or set formula components
f_label	Turn RHS of formula into a string or label
f_lhs	Get or set formula components
f_lhs<-	Get or set formula components
f_name	Turn RHS of formula into a string or label
f_rhs	Get or set formula components
f_rhs<-	Get or set formula components
f_text	Turn RHS of formula into a string or label

-- G --

get_env	Get or set the environment of an object
global_entrace	Entrace unexpected errors
global_handle	Register default global handlers
global_prompt_install	Prompt user to install missing packages
glue-operators	Name injection with '"{"' and '"{{"'

-- H --

hash	Hashing
hash_file	Hashing
has_name	Does an object have an element with this name?
have_name	Is object named?

-- I --

inform	Signal an error, warning, or message
inherits_all	Does an object inherit from a set of classes?
inherits_any	Does an object inherit from a set of classes?
inherits_only	Does an object inherit from a set of classes?
inject	Inject objects in an R expression
injection-operator	Injection operator !!
int	Create vectors
is_atomic	Type predicates
is_bare_atomic	Bare type predicates
is_bare_bytes	Bare type predicates
is_bare_character	Bare type predicates
is_bare_complex	Bare type predicates
is_bare_double	Bare type predicates
is_bare_environment	Is object an environment?
is_bare_formula	Is object a formula?
is_bare_integer	Bare type predicates
is_bare_integerish	Is a vector integer-like?
is_bare_list	Bare type predicates
is_bare_logical	Bare type predicates
is_bare_numeric	Bare type predicates
is_bare_raw	Bare type predicates
is_bare_string	Bare type predicates
is_bare_vector	Bare type predicates
is_bool	Scalar type predicates
is_box	Box a value
is_bytes	Type predicates
is_call	Is object a call?
is_call_simple	Extract function name or namespace of a call
is_character	Type predicates
is_closure	Is object a function?
is_complex	Type predicates
is_done_box	Box a final value for early termination
is_double	Type predicates
is_empty	Is object an empty vector or NULL?
is_environment	Is object an environment?
is_expression	Is an object an expression?
is_false	Is object identical to TRUE or FALSE?
is_formula	Is object a formula?
is_function	Is object a function?
is_installed	Are packages installed in any of the libraries?
is_integer	Type predicates
is_integerish	Is a vector integer-like?
is_interactive	Is R running interactively?
is_lambda	Convert to function
is_list	Type predicates
is_logical	Type predicates
is_missing	Generate or handle a missing argument
is_named	Is object named?
is_named2	Is object named?
is_namespace	Is an object a namespace environment?
is_null	Type predicates
is_primitive	Is object a function?
is_primitive_eager	Is object a function?
is_primitive_lazy	Is object a function?
is_quosure	Create a quosure from components
is_quosures	Create a list of quosures
is_raw	Type predicates
is_scalar_atomic	Scalar type predicates
is_scalar_bytes	Scalar type predicates
is_scalar_character	Scalar type predicates
is_scalar_complex	Scalar type predicates
is_scalar_double	Scalar type predicates
is_scalar_integer	Scalar type predicates
is_scalar_integerish	Is a vector integer-like?
is_scalar_list	Scalar type predicates
is_scalar_logical	Scalar type predicates
is_scalar_raw	Scalar type predicates
is_scalar_vector	Scalar type predicates
is_spliced	Splice values at dots collection time
is_spliced_bare	Splice values at dots collection time
is_string	Scalar type predicates
is_symbol	Is object a symbol?
is_symbolic	Is an object an expression?
is_syntactic_literal	Is an object an expression?
is_true	Is object identical to TRUE or FALSE?
is_vector	Type predicates
is_weakref	Is object a weak reference?
is_zap	Create zap objects

-- L --

last_error	Last 'abort()' error
last_messages	Display last messages and warnings
last_trace	Last 'abort()' error
last_warnings	Display last messages and warnings
lgl	Create vectors
list2	Collect dynamic dots in a list
ll	Collect dynamic dots in a list
local_bindings	Temporarily change bindings of an environment
local_error_call	Set local error call in an execution environment
local_interactive	Is R running interactively?
local_options	Change global options

-- M --

maybe_missing	Generate or handle a missing argument
missing_arg	Generate or handle a missing argument

-- N --

names2	Get names of a vector
names2<-	Get names of a vector
new_box	Box a value
new_data_mask	Create a data mask
new_environment	Create a new environment
new_formula	Create a formula
new_function	Create a function
new_quosure	Create a quosure from components
new_quosures	Create a list of quosures
new_weakref	Create a weak reference

-- O --

on_load	Run expressions on load
on_package_load	Run expressions on load
op-get-attr	Infix attribute accessor and setter
op-null-default	Default value for 'NULL'

-- P --

pairlist2	Collect dynamic dots in a pairlist
parse_bytes	Human readable memory sizes
parse_expr	Parse R code
parse_exprs	Parse R code
parse_quo	Parse R code
parse_quos	Parse R code
peek_option	Change global options
peek_options	Change global options
push_options	Change global options

-- Q --

qq_show	Show injected expression
quosure	Quosure getters, setters and predicates
quosure-tools	Quosure getters, setters and predicates
quos_auto_name	Ensure that all elements of a list of expressions are named
quo_get_env	Quosure getters, setters and predicates
quo_get_expr	Quosure getters, setters and predicates
quo_is_call	Quosure getters, setters and predicates
quo_is_missing	Quosure getters, setters and predicates
quo_is_null	Quosure getters, setters and predicates
quo_is_symbol	Quosure getters, setters and predicates
quo_is_symbolic	Quosure getters, setters and predicates
quo_set_env	Quosure getters, setters and predicates
quo_set_expr	Quosure getters, setters and predicates
quo_squash	Squash a quosure

-- R --

rep_along	Create vectors matching the length of a given vector
rep_named	Create vectors matching the length of a given vector
reset_message_verbosity	Signal an error, warning, or message
reset_warning_verbosity	Signal an error, warning, or message
rlang_backtrace_on_error	Display backtrace on error
rlang_backtrace_on_error_report	Display backtrace on error
rlang_backtrace_on_warning_report	Display backtrace on error
rlang_error	Errors of class 'rlang_error'
run_on_load	Run expressions on load

-- S --

scalar-type-predicates	Scalar type predicates
seq2	Increasing sequence of integers in an interval
seq2_along	Increasing sequence of integers in an interval
set_env	Get or set the environment of an object
set_names	Set names of a vector
signal	Signal an error, warning, or message
splice	Splice values at dots collection time
splice-operator	Splice operator !!!
stack	Get properties of the current or caller frame
sym	Create a symbol or list of symbols
syms	Create a symbol or list of symbols

-- T --

tidy-dots	Dynamic dots features
tidyeval-data	'.data' and '.env' pronouns
trace_back	Capture a backtrace
trace_length	Capture a backtrace
try_fetch	Try an expression with condition handlers
type-predicates	Type predicates

-- U --

unbox

Box a value

-- V --

vector-construction

Create vectors

-- W --

warn	Signal an error, warning, or message
with_bindings	Temporarily change bindings of an environment
with_interactive	Is R running interactively?
with_options	Change global options
wref_key	Get key/value from a weak reference object
wref_value	Get key/value from a weak reference object

-- Z --

zap	Create zap objects
zap_srcref	Zap source references

-- misc --

!!	Injection operator !!
!!!	Splice operator !!!
%<~%	Bind symbols to objects in an environment
%@%	Infix attribute accessor and setter
%@%<-	Infix attribute accessor and setter
%||%	Default value for 'NULL'
.data	'.data' and '.env' pronouns
.env	'.data' and '.env' pronouns
:=	Dynamic dots features