# Check User-Supplied Function Arguments

## Documentation for package ‘chk’ version 0.10.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

A B C D E M P U V W

## -- A --

abort_chk | Abort Check

## -- B --

backtick_chk | Deparse Backtick

## -- C --

cc | Concatenate with Commas
check_data | Check Data
check_dim | Check Dimension
check_dirs | Check Directories Exist
check_files | Check Files Exist
check_key | Check Key
check_length | Check Length
check_names | Check Names
check_values | Check Values and Class
chkor | Check OR
chkor_vld | Chk OR
chk_all | Check All
chk_all_equal | Check All Equal
chk_all_equivalent | Check All Equivalent
chk_all_identical | Check All Identical
chk_array | Check Array
chk_atomic | Check Atomic
chk_character | Check Character
chk_character_or_factor | Check Character or Factor
chk_chr | Check Character Scalar
chk_compatible_lengths | Check Compatible Lengths
chk_complex | Check Complex
chk_complex_number | Check Complex Number
chk_count | Check Count
chk_data | Check Data
chk_date | Check Date
chk_datetime | Check Date Time
chk_date_time | Check Date Time
chk_dbl | Check Double Scalar
chk_dir | Check Directory Exists
chk_double | Check Double
chk_environment | Check Environment
chk_equal | Check Equal
chk_equivalent | Check Equivalent
chk_ext | Check File Extension
chk_factor | Check Factor
chk_false | Check FALSE
chk_file | Check File Exists
chk_flag | Check Flag
chk_function | Check Function
chk_gt | Check Greater Than
chk_gte | Check Greater Than or Equal To
chk_identical | Check Identical
chk_integer | Check Integer
chk_is | Check Class
chk_join | Check Join
chk_length | Check Length
chk_lgl | Check Logical Scalar
chk_list | Check List
chk_logical | Check Logical
chk_lt | Check Less Than
chk_lte | Check Less Than or Equal To
chk_match | Check Matches
chk_matrix | Check Matrix
chk_missing | Check Missing Argument
chk_named | Check Named
chk_not_any_na | Check Not Any Missing Values
chk_not_empty | Check Not Empty
chk_not_missing | Check Not Missing Argument
chk_not_null | Check not NULL
chk_not_subset | Check Not Subset
chk_null | Check NULL
chk_null_or | Check NULL Or
chk_number | Check Number
chk_numeric | Check Numeric
chk_orderset | Check Set Ordered
chk_range | Checks range of non-missing values
chk_raw | Check Raw
chk_s3_class | Check Type
chk_s4_class | Check Inherits from S4 Class
chk_scalar | Check Scalar
chk_setequal | Check Set Equal
chk_sorted | Check Sorted
chk_string | Check String
chk_subset | Check Subset
chk_superset | Check Superset
chk_true | Check TRUE
chk_tz | Check Time Zone
chk_unique | Check Unique
chk_unused | Check ... Unused
chk_used | Check ... Used
chk_valid_name | Check Valid Name
chk_vector | Check Vector
chk_whole_number | Check Whole Number
chk_whole_numeric | Check Whole Numeric
chk_wnum | Check Whole Numeric Scalar

## -- D --

deparse_backtick_chk | Deparse Backtick

## -- E --

err | Stop, Warning and Message Messages
expect_chk_error | Expect Chk Error

## -- M --

message_chk | Construct Tidyverse Style Message
msg | Stop, Warning and Message Messages

## -- P --

p | Concatenate Strings
p0 | Concatenate Strings

## -- U --

unbacktick_chk | Deparse Backtick

## -- V --

vld_all | Check All
vld_all_equal | Check All Equal
vld_all_equivalent | Check All Equivalent
vld_all_identical | Check All Identical
vld_array | Check Array
vld_atomic | Check Atomic
vld_character | Check Character
vld_character_or_factor | Check Character or Factor
vld_chr | Check Character Scalar
vld_compatible_lengths | Check Compatible Lengths
vld_complex | Check Complex
vld_complex_number | Check Complex Number
vld_count | Check Count
vld_data | Check Data
vld_date | Check Date
vld_datetime | Check Date Time
vld_date_time | Check Date Time
vld_dbl | Check Double Scalar
vld_dir | Check Directory Exists
vld_double | Check Double
vld_environment | Check Environment
vld_equal | Check Equal
vld_equivalent | Check Equivalent
vld_ext | Check File Extension
vld_factor | Check Factor
vld_false | Check FALSE
vld_file | Check File Exists
vld_flag | Check Flag
vld_function | Check Function
vld_gt | Check Greater Than
vld_gte | Check Greater Than or Equal To
vld_identical | Check Identical
vld_integer | Check Integer
vld_is | Check Class
vld_join | Check Join
vld_length | Check Length
vld_lgl | Check Logical Scalar
vld_list | Check List
vld_logical | Check Logical
vld_lt | Check Less Than
vld_lte | Check Less Than or Equal To
vld_match | Check Matches
vld_matrix | Check Matrix
vld_missing | Check Missing Argument
vld_named | Check Named
vld_not_any_na | Check Not Any Missing Values
vld_not_empty | Check Not Empty
vld_not_missing | Check Not Missing Argument
vld_not_null | Check not NULL
vld_not_subset | Check Subset
vld_null | Check NULL
vld_number | Check Number
vld_numeric | Check Numeric
vld_orderset | Check Set Equal
vld_range | Checks range of non-missing values
vld_raw | Check Raw
vld_s3_class | Check Type
vld_s4_class | Check Inherits from S4 Class
vld_scalar | Check Scalar
vld_setequal | Check Set Equal
vld_sorted | Check Sorted
vld_string | Check String
vld_subset | Check Subset
vld_superset | Check Superset
vld_true | Check TRUE
vld_tz | Check Time Zone
vld_unique | Check Unique
vld_unused | Check ... Unused
vld_used | Check ... Used
vld_valid_name | Check Valid Name
vld_vector | Check Vector
vld_whole_number | Check Whole Number
vld_whole_numeric | Check Whole Numeric
vld_wnum | Check Whole Numeric Scalar

## -- W --

wrn | Stop, Warning and Message Messages