Package index

Simple predicates

is_logical() is_integer() is_double() is_complex() is_character() is_raw() is_atomic() is_numeric(): Type checks - Atomic vectors
are_integer_like() is_integer_like(): Type checks - Integer-like values
are_true() is_true2() are_false() is_false2() is_bool2(): Type checks - TRUE and FALSE values
are_na2() is_na2(): Type checks - NA values
are_finite() is_finite() are_nan() is_nan() are_inf() is_inf(): Type checks - Inf and NaN

is_list() is_pairlist2() is_environment2() is_vector() is_collection(): Type checks - Collection types
is_syntactic_literal() is_symbol2() is_language() is_call() is_expression2() is_code(): Type checks - Language objects
is_function() is_closure() is_primitive() is_primitive_eager() is_primitive_lazy(): Type checks - Functions
is_type() is_null() is_promise() is_dots() is_weakref() is_bytecode() is_externalptr() is_char() is_any(): Type checks - Other types

is_attrs_allowed(): Attribute checks - Check if object allows attributes
has_names_valid() are_names_valid(): Attribute checks - Names
n_dims() n_dimnames() has_dimnames() has_rownames() has_dim(): Attribute checks - Dimensions existence and sizes
attrs_rmv() attrs_keep() has_attrs_any() has_attrs_all() has_attrs_only(): Attribute checks - Check for and filter attributes from object

has_object_bit() has_s4_bit() has_class() is_object_like() is_s4() is_object(): Type checks - Objects
object_system() is_system(): Type checks - Determine object-oriented system of object

is_sorted(): Data checks - Check if object is ordered
is_matching_set(): Data checks - Check if object is in (and/or not in) a set
any_duplicated() are_duplicated(): Data checks - Check for duplicate values
is_empty2(): Metadata checks - Check if a collection is empty

identical2() identical_flag(): Compare - Exact equality with more flexibility
is_ptype() is_ptype_list(): Compare - Check if object is of prototype

match_hash() match_id() match_ptype() match_when(): Compare - Pattern matching
if_else2(): Compare - Vectorized if-else
case_when2(): Compare - Vectorized nested if-else

test_integer() test_double() test_complex() assert_integer() assert_double() assert_complex(): Validation - Numeric vectors
test_logical() test_raw() assert_logical() assert_raw(): Validation - Logical and Raw vectors
test_character() assert_character(): Validation - Character vectors

test_list() assert_list(): Validation - List
test_vector() assert_vector(): Validation - General vectors
test_environment() assert_environment(): Validation - Environment
test_function() assert_function(): Validation - Function
test_promise() test_dots() test_weakref() test_bytecode() test_externalptr() assert_null() assert_promise() assert_dots() assert_weakref() assert_bytecode() assert_externalptr(): Validation - Other types

assert_from_msg() assert_from_error(): Validation - Rethrow errors with more information
assert_ptype(): Validation - If object is of prototype
assert_predicate(): Validation - Throw error from custom predicate
test_multiple(): Validation - Test for one of multiple types

pany() pall() pany_na() pall_na(): Parallel any and all
reduce_predicate() accumulate_predicate(): Reduce binary predicate over a list

attrs_rmv() attrs_keep() has_attrs_any() has_attrs_all() has_attrs_only(): Attribute checks - Check for and filter attributes from object
names3() `names3<-`() dimnames2() `dimnames2<-`() rownames2() `rownames2<-`() class2() `class2<-`(): Attribute utilities - Getters and setters
attr2(): Attribute utilities - Get attribute of object