assertive: Readable Check Functions to Ensure Code Integrity

> library(assertive)

バージョン: 0.3.4

関数名 概略
DIM Get the dimensions of an object
Truth Is the input TRUE/FALSE/NA?
are_identical Are the inputs identical?
are_same_length Are the inputs the same length/dimension?
are_set_equal Set comparisons
assert_engine Throws an error if a condition isn't met
assert_is_all_of Does x belong to these classes?
assertionError Condition classes
assertive Readable check functions to ensure code integrity.
bapply Wrapper to vapply that returns booleans.
call_and_name Call a function, and give the result names.
cause Get or set the '"cause"' attribute
changes Important changes to assertive
character_to_list_of_integer_vectors Convert a character vector to a list of integer vectors See ' `character_to_list_of_integer_vectors'.
coerce_to Coerce variable to a different class
dont_stop Run code without stopping
false FALSE, with a cause of failure
get_name_in_parent Get the name of a variable in the parent frame
has_any_attributes Does the input have any attributes?
has_arg Does the current call have an argument? See 'has_arg'.
has_attributes Does the input have the specified attributes?
has_cols Does the input have rows/columns?
has_dims Does the input have dimensions?
has_duplicates Does the input have duplicates?
has_names Does the input have names?
has_slot Does the S4 input have a slot?
has_terms Does the input have terms?
is2 Alternative version of is
is_array Is the input an array or matrix?
is_atomic Is the input atomic/recursive/vector?
is_batch_mode How is R running?
is_binding_locked Is the binding of a variable locked? See 'is_binding_locked'.
is_cas_number Does the character vector contain CAS registry numbers?
is_character Is the input of type character?
is_class Is the input the name of a (formally defined) class?
is_complex Is the input complex?
is_connection Is the input a connection?
is_credit_card_number Does the character vector contain credit card numbers?
is_data.frame Is the input is a data.frame?
is_data.table Is the input a data.table?
is_date Is the input a date?
is_date_string Does the character vector contain dates?
is_debugged Is the input function being debugged? See 'is_debugged'.
is_diagonal_matrix Is the input a diagonal matrix?
is_dir Is the path a directory?
is_divisible_by Is the input divisible by a number?
is_email_address Does the character vector contain email addresses?
is_empty Is the input empty/scalar?
is_empty_character Does the input contain empty or missing strings?
is_empty_file Is a file too big or small?
is_empty_model Is the input the empty model?
is_environment Is the input an environment?
is_equal_to How does the input relate to a value?
is_error_free Does the code run without throwing an error? See 'is_error_free'.
is_executable_file Is the file accessible?
is_existing Does the variable exist? See 'is_existing'.
is_existing_file Does the file exist?
is_factor Is the input a factor?
is_finite Are the inputs (in)finite?
is_formula Is the input a formula?
is_function Is the input a function?
is_hex_color Does the character vector contain hex colors?
is_honorific Is the string an honorific?
is_identity_matrix Is the input an identity matrix?
is_if_condition Is suitable to be used as an if condition See 'is_if_condition'.
is_in_past Is the input in the past/future?
is_in_range Is the input in range?
is_inherited_from Does the object inherit from some class?
is_integer Is the input an integer?
is_ip_address Does the character vector contain IP addresses?
is_isbn_code Does the character vector contain ISBN book codes?
is_language Is the input a language object?
is_leaf Is the input a (dendrogram) leaf?
is_library Is the directory a known R library?
is_list Is the input a list?
is_loaded Is the input DLL loaded? See 'is_loaded'.
is_logical Is the input logical?
is_lower_triangular_matrix Is the matrix upper/lower triangular?
is_matching_fixed Does the string match a pattern? See 'is_matching_fixed'.
is_monotonic_increasing Is the vector monotonically increasing or decreasing?
is_nan Is the input (not) NaN?
is_null Checks to see if the input is (not) null.
is_numeric Is the input numeric?
is_numeric_string Does the string contain a number? See 'is_numeric_string'.
is_on_os_path Is the path on the OS path?
is_package_current Is the installed version of a package current?
is_qr Is the input a QR decomposition of a matrix?
is_r Are you running R?
is_r_current Is this version of R up to date?
is_raster Is the input a raster?
is_raw Is the input raw?
is_real Is the input real/imaginary?
is_relistable Is the input relistable?
is_rstudio_current Is RStudio the current version?
is_rstudio_desktop Is RStudio running in desktop or server mode?
is_s4 Is the input an S4 object?
is_single_character Is the input a single character? See 'is_single_character'.
is_square_matrix Is the input a square matrix?
is_symmetric_matrix Is the input a symmetric matrix?
is_table Is the input a table?
is_tbl Is the input a tbl?
is_try_error Is the input a condition?
is_ts Is the input a time series?
is_uk_car_licence Is the string a valid UK car licence plate number?
is_uk_national_insurance_number Is the string a valid UK national insurance number?
is_uk_postcode Is the string a valid UK postcode?
is_uk_telephone_number Is the string a valid UK telephone number?
is_unsorted Is the input unsorted?
is_us_social_security_number Is the string a valid US SSN?
is_us_telephone_number Is the string a valid US telephone number?
is_us_zip_code Is the string a valid US zip code?
is_valid_r_code Is the input valid R code? See 'is_valid_r_code'.
is_valid_variable_name Is the string a valid variable name? See 'is_valid_variable_name'.
is_whole_number Is the input a whole number?
is_windows What OS is running?
is_xxx_for_decimal_point What does the current locale specify for the decimal point?
is_zero_matrix Is the input a zero matrix?
merge_dots_with_list Merge ellipsis args with a list.
n_elements Get the number of elements
na NA, with a cause of failure
parenthesize Wrap a string in brackets
r_can_find_tools Can R find tools?
r_has_jpeg_capability Does R have a capability?
set_cause Set a cause and return the input
strip_attributes Strip all attributes from a variable
sys_get_locale Get or set the system locale
use_first Only use the first element of a vector


> are_identical(c(1, -1), cos(c(0, pi)))
[1] TRUE


> is_numeric(c(1, 3L, pi))
[1] TRUE
> is_numeric(c(1, 3L, pi, letters[5]))


> is_rstudio_current()
[1] TRUE


> sys_get_locale(simplify = TRUE)
ja_JP.UTF-8 ja_JP.UTF-8 ja_JP.UTF-8           C ja_JP.UTF-8 ja_JP.UTF-8 
         NA          NA          NA          NA          NA          NA