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

Documentation for package ‘rlang’ version 0.4.1

DESCRIPTION file.

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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
arg_match	Match an argument to a character vector
as_box	Convert object to a box
as_box_if	Convert object to a box
as_closure	Convert to function or closure
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 or closure
as_label	Create a default name for an R object
as_name	Extract names from symbols
as_quosure	Coerce object to quosure
as_quosures	Create a list of quosures
as_string	Cast symbol to string

-- B --

bare-type-predicates	Bare type predicates
box	Box a value
bytes	Create vectors

-- C --

call2	Create a call
caller_env	Get the current or caller environment
calling	Establish handlers on the stack
call_args	Extract arguments from a call
call_args_names	Extract arguments from a call
call_fn	Extract function from a call
call_inspect	Inspect a call
call_modify	Modify the arguments of a call
call_name	Extract function name or namespaced of a call
call_ns	Extract function name or namespaced of a call
call_standardise	Standardise a call
catch_cnd	Catch a condition
child_env	Create a new environment
chr	Create vectors
cnd_entrace	Add backtrace from error handler
cnd_signal	Signal a condition object
cpl	Create vectors
current_env	Get the current or caller environment

-- D --

dbl	Create vectors
done	Box a final value for early termination
dots_list	Collect dots as lists

-- E --

empty_env	Get the empty environment
enexpr	Quotation
enexprs	Quotation
enquo	Quotation
enquos	Quotation
ensym	Quotation
ensyms	Quotation
entrace	Add backtrace from error handler
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_clone	Clone 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_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_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	Quotation
exprs	Quotation
exprs_auto_name	Ensure that all elements of a list of expressions are named
expr_deparse	Print an expression
expr_interp	Process unquote operators in a captured expression
expr_label	Turn an expression to a label
expr_name	Turn an expression to a label
expr_print	Print an expression
expr_text	Turn an expression to a label

-- F --

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
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
get_expr	Set and get an expression

-- H --

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?
int	Create vectors
interrupt	Signal an error, warning, or message
is_atomic	Type predicates
is_bare_atomic	Bare type predicates
is_bare_bytes	Bare type predicates
is_bare_character	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_character	Type predicates
is_closure	Is object a function?
is_dictionaryish	Is object named?
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	Is a package installed in the library?
is_integer	Type predicates
is_integerish	Is a vector integer-like?
is_interactive	Is R running interactively?
is_lambda	Convert to function or closure
is_list	Type predicates
is_logical	Type predicates
is_missing	Generate or handle a missing argument
is_named	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	Quosure getters, setters and testers
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_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_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_trace	Last 'abort()' error
lgl	Create vectors
list2	Collect dots as lists
ll	Create vectors

-- M --

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

-- N --

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	Coerce object to quosure
new_quosures	Create a list of quosures
new_weakref	Create a weak reference

-- O --

op-get-attr	Infix attribute accessor and setter
op-na-default	Replace missing values
op-null-default	Default value for 'NULL'

-- P --

pairlist2	Create pairlists with splicing support
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	Quasiquotation of an expression
quasiquotation	Quasiquotation of an expression
quo	Quotation
quos	Quotation
quosure	Quosure getters, setters and testers
quos_auto_name	Ensure that all elements of a list of expressions are named
quotation	Quotation
quo_get_env	Quosure getters, setters and testers
quo_get_expr	Quosure getters, setters and testers
quo_is_call	Quosure getters, setters and testers
quo_is_missing	Quosure getters, setters and testers
quo_is_null	Quosure getters, setters and testers
quo_is_symbol	Quosure getters, setters and testers
quo_is_symbolic	Quosure getters, setters and testers
quo_label	Format quosures for printing or labelling
quo_name	Format quosures for printing or labelling
quo_set_env	Quosure getters, setters and testers
quo_set_expr	Quosure getters, setters and testers
quo_squash	Squash a quosure
quo_text	Format quosures for printing or labelling

-- R --

rep_along	Create vectors matching the length of a given vector
rep_named	Create vectors matching the length of a given vector
rlang_backtrace_on_error	Display backtrace on error

-- S --

scalar-type-predicates	Scalar type predicates
scoped_bindings	Temporarily change bindings of an environment
scoped_interactive	Is R running interactively?
scoped_options	Change global options
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_expr	Set and get an expression
set_names	Set names of a vector
signal	Signal an error, warning, or message
sym	Create a symbol or list of symbols
syms	Create a symbol or list of symbols

-- T --

tidy-dots	Collect dots as lists
tidyeval-data	Data pronoun for tidy evaluation
trace_back	Capture a backtrace
trace_length	Capture a backtrace
type-predicates	Type predicates

-- U --

unbox	Box a value
UQ	Quasiquotation of an expression
UQS	Quasiquotation of an expression

-- V --

vector-construction

Create vectors

-- W --

warn	Signal an error, warning, or message
with_abort	Promote all errors to rlang errors
with_bindings	Temporarily change bindings of an environment
with_handlers	Establish handlers on the stack
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

-- misc --

!!	Quasiquotation of an expression
!!!	Quasiquotation of an expression
%@%	Infix attribute accessor and setter
%@%<-	Infix attribute accessor and setter
%\|%	Replace missing values
%\|\|%	Default value for 'NULL'
.data	Data pronoun for tidy evaluation
:=	Quasiquotation of an expression
{{	Quasiquotation of an expression
{{}}	Quasiquotation of an expression