latest
Release history
ak.Array
ak.Record
ak.ArrayBuilder
ak.behavior
ak.is_valid
ak.validity_error
ak.type
ak.parameters
ak.fields
ak.from_numpy
ak.to_numpy
ak.from_cupy
ak.to_cupy
ak.from_jax
ak.to_jax
ak.kernels
ak.to_kernels
ak.from_iter
ak.to_list
ak.from_json
ak.to_json
ak.from_awkward0
ak.to_awkward0
ak.to_layout
ak.regularize_numpyarray
ak.to_arrow
ak.to_arrow_table
ak.from_arrow
ak.to_parquet
ak.from_parquet
ak.to_buffers
ak.from_buffers
ak.to_pandas
ak.copy
ak.mask
ak.num
ak.run_lengths
ak.zip
ak.unzip
ak.to_regular
ak.from_regular
ak.with_name
ak.with_field
ak.with_parameter
ak.without_parameters
ak.zeros_like
ak.ones_like
ak.full_like
ak.broadcast_arrays
ak.concatenate
ak.where
ak.flatten
ak.unflatten
ak.ravel
ak.packed
ak.local_index
ak.sort
ak.argsort
ak.pad_none
ak.fill_none
ak.is_none
ak.singletons
ak.firsts
ak.cartesian
ak.argcartesian
ak.combinations
ak.argcombinations
ak.partitions
ak.partitioned
ak.repartition
ak.virtual
ak.materialized
ak.with_cache
ak.size
ak.atleast_1d
ak.nan_to_num
ak.isclose
ak.values_astype
ak.strings_astype
ak.count
ak.count_nonzero
ak.sum
ak.prod
ak.any
ak.all
ak.min
ak.max
ak.ptp
ak.argmin
ak.argmax
ak.moment
ak.mean
ak.var
ak.std
ak.covar
ak.corr
ak.linear_fit
ak.softmax
ak.CategoricalBehavior
ak.is_categorical
ak.categories
ak.to_categorical
ak.from_categorical
ak.mixin_class
ak.mixin_class_method
ak.ByteBehavior
ak.CharBehavior
ak.ByteStringBehavior
ak.StringBehavior
ak.nplike.of
ak.nplike.Singleton
ak.nplike.NumpyMetadata
ak.nplike.NumpyLike
ak.nplike.NumpyKernel
ak.nplike.Numpy
ak.nplike.Cupy
ak.partition.single
ak.partition.first
ak.partition.every
ak.partition.partition_as
ak.partition.iterate
ak.partition.apply
ak.partition.PartitionedArray
ak.partition.IrregularlyPartitionedArray
ak.numba.register
ak.numexpr.evaluate
ak.numexpr.re_evaluate
ak.autograd.elementwise_grad
ak.layout.Content
ak.layout.EmptyArray
ak.layout.NumpyArray
ak.layout.RegularArray
ak.layout.ListArray
ak.layout.ListOffsetArray
ak.layout.RecordArray
ak.layout.Record
ak.layout.IndexedArray
ak.layout.IndexedOptionArray
ak.layout.ByteMaskedArray
ak.layout.BitMaskedArray
ak.layout.UnmaskedArray
ak.layout.UnionArray
ak.layout.VirtualArray
ak.layout.ArrayGenerator
ak.layout.SliceGenerator
ak.layout.ArrayCache
ak.layout.Iterator
ak.layout.ArrayBuilder
ak.layout.Index
ak.layout.Identities
ak.types.Type
ak.types.ArrayType
ak.types.UnknownType
ak.types.PrimitiveType
ak.types.RegularType
ak.types.ListType
ak.types.RecordType
ak.types.OptionType
ak.types.UnionType
ak.forms.Form
ak.forms.EmptyForm
ak.forms.NumpyForm
ak.forms.RegularForm
ak.forms.ListForm
ak.forms.ListOffsetForm
ak.forms.RecordForm
ak.forms.IndexedForm
ak.forms.IndexedOptionForm
ak.forms.ByteMaskedForm
ak.forms.BitMaskedForm
ak.forms.UnmaskedForm
ak.forms.UnionForm
ak.forms.VirtualForm
ak._io.fromjson
ak._io.fromroot_nestedvector
ak._connect._autograd.register
ak._connect._autograd.elementwise_grad
ak._connect._jax.register_and_check
ak._connect._jax.register
ak._connect._jax.jax_utils.array_ufunc
ak._connect._jax.jax_utils.AuxData
ak._connect._jax.jax_utils.special_flatten
ak._connect._jax.jax_utils.special_unflatten
ak._connect._numba.register_and_check
ak._connect._numba.register
ak._connect._numba.repr_behavior
ak._connect._numba.castint
ak._connect._numba.arrayview.code_to_function
ak._connect._numba.arrayview.Lookup
ak._connect._numba.arrayview.tolookup
ak._connect._numba.arrayview.tonumbatype
ak._connect._numba.arrayview.typeof_Lookup
ak._connect._numba.arrayview.LookupType
ak._connect._numba.arrayview.LookupModel
ak._connect._numba.arrayview.unbox_Lookup
ak._connect._numba.arrayview.ArrayView
ak._connect._numba.arrayview.typeof_ArrayView
ak._connect._numba.arrayview.wrap
ak._connect._numba.arrayview.ArrayViewType
ak._connect._numba.arrayview.ArrayViewModel
ak._connect._numba.arrayview.lower_const_Array
ak._connect._numba.arrayview.lower_const_view
ak._connect._numba.arrayview.unbox_Array
ak._connect._numba.arrayview.unbox_ArrayView
ak._connect._numba.arrayview.box_Array
ak._connect._numba.arrayview.dict2serializable
ak._connect._numba.arrayview.serializable2dict
ak._connect._numba.arrayview.box_ArrayView
ak._connect._numba.arrayview.type_len
ak._connect._numba.arrayview.lower_len
ak._connect._numba.arrayview.type_getitem
ak._connect._numba.arrayview.lower_getitem_at
ak._connect._numba.arrayview.lower_getitem_range
ak._connect._numba.arrayview.lower_getitem_field
ak._connect._numba.arrayview.type_getattr
ak._connect._numba.arrayview.lower_getattr_generic
ak._connect._numba.arrayview.IteratorType
ak._connect._numba.arrayview.type_getiter
ak._connect._numba.arrayview.IteratorModel
ak._connect._numba.arrayview.lower_getiter
ak._connect._numba.arrayview.lower_iternext
ak._connect._numba.arrayview.RecordView
ak._connect._numba.arrayview.typeof_RecordView
ak._connect._numba.arrayview.RecordViewType
ak._connect._numba.arrayview.RecordViewModel
ak._connect._numba.arrayview.lower_const_Record
ak._connect._numba.arrayview.unbox_RecordView
ak._connect._numba.arrayview.box_RecordView
ak._connect._numba.arrayview.type_getitem_record
ak._connect._numba.arrayview.lower_getitem_field_record
ak._connect._numba.arrayview.type_getattr_record
ak._connect._numba.arrayview.lower_getattr_generic_record
ak._connect._numba.arrayview.register_unary_operator
ak._connect._numba.arrayview.register_binary_operator
ak._connect._numba.arrayview.overload_contains
ak._connect._numba.arrayview.overload_np_array
ak._connect._numba.arrayview.type_asarray
ak._connect._numba.arrayview.lower_asarray
ak._connect._numba.arrayview.PartitionedView
ak._connect._numba.arrayview.typeof_PartitionedView
ak._connect._numba.arrayview.PartitionedViewType
ak._connect._numba.arrayview.PartitionedViewModel
ak._connect._numba.arrayview.unbox_PartitionedArray
ak._connect._numba.arrayview.unbox_PartitionedView
ak._connect._numba.arrayview.box_PartitionedArray
ak._connect._numba.arrayview.box_PartitionedView
ak._connect._numba.arrayview.type_getitem_partitioned
ak._connect._numba.arrayview.lower_getitem_at_partitioned
ak._connect._numba.arrayview.lower_getitem_range_partitioned
ak._connect._numba.arrayview.lower_getitem_field_partitioned
ak._connect._numba.arrayview.type_len_partitioned
ak._connect._numba.arrayview.lower_len_partitioned
ak._connect._numba.arrayview.type_getattr_partitioned
ak._connect._numba.arrayview.lower_getattr_generic_partitioned
ak._connect._numba.arrayview.PartitionedIteratorType
ak._connect._numba.arrayview.type_getiter_partitioned
ak._connect._numba.arrayview.PartitionedIteratorModel
ak._connect._numba.arrayview.lower_getiter_partitioned
ak._connect._numba.arrayview.lower_iternext_partitioned
ak._connect._numba.builder.globalstring
ak._connect._numba.builder.ArrayBuilderType
ak._connect._numba.builder.ArrayBuilderModel
ak._connect._numba.builder.lower_const_ArrayBuilder
ak._connect._numba.builder.unbox_ArrayBuilder
ak._connect._numba.builder.box_ArrayBuilder
ak._connect._numba.builder.call
ak._connect._numba.builder.type_len
ak._connect._numba.builder.lower_len
ak._connect._numba.builder.type_methods
ak._connect._numba.builder.lower_clear
ak._connect._numba.builder.lower_null
ak._connect._numba.builder.lower_boolean
ak._connect._numba.builder.lower_integer
ak._connect._numba.builder.lower_real
ak._connect._numba.builder.lower_beginlist
ak._connect._numba.builder.lower_endlist
ak._connect._numba.builder.lower_begintuple
ak._connect._numba.builder.lower_index
ak._connect._numba.builder.lower_endtuple
ak._connect._numba.builder.lower_beginrecord
ak._connect._numba.builder.lower_beginrecord_field
ak._connect._numba.builder.lower_field
ak._connect._numba.builder.lower_endrecord
ak._connect._numba.builder.lower_append_array_at
ak._connect._numba.builder.lower_append_array
ak._connect._numba.builder.lower_append_record
ak._connect._numba.builder.lower_append_bool
ak._connect._numba.builder.lower_append_int
ak._connect._numba.builder.lower_append_float
ak._connect._numba.builder.lower_append_optional
ak._connect._numba.builder.lower_append_none
ak._connect._numba.builder.lower_extend_array
ak._connect._numba.layout.fake_typeof
ak._connect._numba.layout.typeof
ak._connect._numba.layout.typeof_NumpyArray
ak._connect._numba.layout.typeof_RegularArray
ak._connect._numba.layout.typeof_ListArray
ak._connect._numba.layout.typeof_IndexedArray
ak._connect._numba.layout.typeof_IndexedOptionArray
ak._connect._numba.layout.typeof_ByteMaskedArray
ak._connect._numba.layout.typeof_BitMaskedArray
ak._connect._numba.layout.typeof_UnmaskedArray
ak._connect._numba.layout.typeof_RecordArray
ak._connect._numba.layout.typeof_UnionArray
ak._connect._numba.layout.typeof_VirtualArray
ak._connect._numba.layout.ContentType
ak._connect._numba.layout.type_bitwidth
ak._connect._numba.layout.posat
ak._connect._numba.layout.getat
ak._connect._numba.layout.regularize_atval
ak._connect._numba.layout.NumpyArrayType
ak._connect._numba.layout.RegularArrayType
ak._connect._numba.layout.ListArrayType
ak._connect._numba.layout.IndexedArrayType
ak._connect._numba.layout.IndexedOptionArrayType
ak._connect._numba.layout.ByteMaskedArrayType
ak._connect._numba.layout.BitMaskedArrayType
ak._connect._numba.layout.UnmaskedArrayType
ak._connect._numba.layout.RecordArrayType
ak._connect._numba.layout.UnionArrayType
ak._connect._numba.layout.VirtualArrayType
ak._connect._numba.layout.inner_dtype_of_form
ak._connect._numba.layout.optiontype_of_form
ak._connect._numba.layout.recordtype_of_form
ak._connect._numexpr.import_numexpr
ak._connect._numexpr.getArguments
ak._connect._numexpr.evaluate
ak._connect._numexpr.re_evaluate
ak._connect._numpy.convert_to_array
ak._connect._numpy.array_function
ak._connect._numpy.implements
ak._connect._numpy.array_ufunc
ak._connect._numpy.matmul_for_numba
ak._connect._numpy.getfunction_matmul
ak._connect._uproot.can_optimize
ak._connect._uproot.basket_array
ak._typeparser.generated_parser.LarkError
ak._typeparser.generated_parser.GrammarError
ak._typeparser.generated_parser.ParseError
ak._typeparser.generated_parser.LexError
ak._typeparser.generated_parser.UnexpectedEOF
ak._typeparser.generated_parser.UnexpectedInput
ak._typeparser.generated_parser.UnexpectedCharacters
ak._typeparser.generated_parser.UnexpectedToken
ak._typeparser.generated_parser.VisitError
ak._typeparser.generated_parser.classify
ak._typeparser.generated_parser.Serialize
ak._typeparser.generated_parser.SerializeMemoizer
ak._typeparser.generated_parser.smart_decorator
ak._typeparser.generated_parser.get_regexp_width
ak._typeparser.generated_parser.Meta
ak._typeparser.generated_parser.Tree
ak._typeparser.generated_parser.Discard
ak._typeparser.generated_parser.Transformer
ak._typeparser.generated_parser.InlineTransformer
ak._typeparser.generated_parser.TransformerChain
ak._typeparser.generated_parser.Transformer_InPlace
ak._typeparser.generated_parser.Transformer_NonRecursive
ak._typeparser.generated_parser.Transformer_InPlaceRecursive
ak._typeparser.generated_parser.VisitorBase
ak._typeparser.generated_parser.Visitor
ak._typeparser.generated_parser.Visitor_Recursive
ak._typeparser.generated_parser.visit_children_decor
ak._typeparser.generated_parser.Interpreter
ak._typeparser.generated_parser.inline_args
ak._typeparser.generated_parser.v_args
ak._typeparser.generated_parser.Indenter
ak._typeparser.generated_parser.Symbol
ak._typeparser.generated_parser.Terminal
ak._typeparser.generated_parser.NonTerminal
ak._typeparser.generated_parser.RuleOptions
ak._typeparser.generated_parser.Rule
ak._typeparser.generated_parser.Pattern
ak._typeparser.generated_parser.PatternStr
ak._typeparser.generated_parser.PatternRE
ak._typeparser.generated_parser.TerminalDef
ak._typeparser.generated_parser.Token
ak._typeparser.generated_parser.LineCounter
ak._typeparser.generated_parser.UnlessCallback
ak._typeparser.generated_parser.CallChain
ak._typeparser.generated_parser.build_mres
ak._typeparser.generated_parser.Lexer
ak._typeparser.generated_parser.TraditionalLexer
ak._typeparser.generated_parser.LexerState
ak._typeparser.generated_parser.ContextualLexer
ak._typeparser.generated_parser.LexerThread
ak._typeparser.generated_parser.LexerConf
ak._typeparser.generated_parser.ExpandSingleChild
ak._typeparser.generated_parser.PropagatePositions
ak._typeparser.generated_parser.ChildFilter
ak._typeparser.generated_parser.ChildFilterLALR
ak._typeparser.generated_parser.ChildFilterLALR_NoPlaceholders
ak._typeparser.generated_parser.maybe_create_child_filter
ak._typeparser.generated_parser.AmbiguousExpander
ak._typeparser.generated_parser.maybe_create_ambiguous_expander
ak._typeparser.generated_parser.AmbiguousIntermediateExpander
ak._typeparser.generated_parser.ptb_inline_args
ak._typeparser.generated_parser.inplace_transformer
ak._typeparser.generated_parser.apply_visit_wrapper
ak._typeparser.generated_parser.ParseTreeBuilder
ak._typeparser.generated_parser.LALR_Parser
ak._typeparser.generated_parser.ParseConf
ak._typeparser.generated_parser.ParserState
ak._typeparser.generated_parser.Action
ak._typeparser.generated_parser.ParseTable
ak._typeparser.generated_parser.IntParseTable
ak._typeparser.generated_parser.get_frontend
ak._typeparser.generated_parser.PostLexConnector
ak._typeparser.generated_parser.WithLexer
ak._typeparser.generated_parser.LALR_WithLexer
ak._typeparser.generated_parser.LALR_TraditionalLexer
ak._typeparser.generated_parser.LALR_ContextualLexer
ak._typeparser.generated_parser.LarkOptions
ak._typeparser.generated_parser.Lark
ak._typeparser.generated_parser.Lark_StandAlone
ak._typeparser.parser.TreeToJson
ak._typeparser.parser.toast
ak._typeparser.parser.from_datashape
ak._util.isint
ak._util.isnum
ak._util.isstr
ak._util.exception_suffix
ak._util.deprecate
ak._util.MISSING
ak._util.regularize_path
ak._util.Behavior
ak._util.arrayclass
ak._util.custom_cast
ak._util.custom_broadcast
ak._util.numba_array_typer
ak._util.numba_array_lower
ak._util.recordclass
ak._util.typestrs
ak._util.numba_record_typer
ak._util.numba_record_lower
ak._util.overload
ak._util.numba_attrs
ak._util.numba_methods
ak._util.numba_unaryops
ak._util.numba_binops
ak._util.behaviorof
ak._util.wrap
ak._util.maybe_wrap
ak._util.maybe_wrap_like
ak._util.extra
ak._util.key2index
ak._util.completely_flatten
ak._util.broadcast_and_apply
ak._util.broadcast_pack
ak._util.broadcast_unpack
ak._util.recursively_apply
ak._util.recursive_walk
ak._util.transform_child_layouts
ak._util.find_caches
ak._util.highlevel_type
ak._util.minimally_touching_string
ak._util.MappingProxy
ak._util.make_union
ak._util.union_to_record
ak._util.adjust_old_pickle
ak._v2.contents.bitmaskedarray.BitMaskedArray
ak._v2.contents.bytemaskedarray.ByteMaskedArray
ak._v2.contents.content.Content
ak._v2.contents.content.NestedIndexError
ak._v2.contents.emptyarray.EmptyArray
ak._v2.contents.indexedarray.IndexedArray
ak._v2.contents.indexedoptionarray.IndexedOptionArray
ak._v2.contents.listarray.ListArray
ak._v2.contents.listoffsetarray.ListOffsetArray
ak._v2.contents.numpyarray.NumpyArray
ak._v2.contents.recordarray.RecordArray
ak._v2.contents.regulararray.RegularArray
ak._v2.contents.unionarray.UnionArray
ak._v2.contents.unmaskedarray.UnmaskedArray
ak._v2.forms.bitmaskedform.BitMaskedForm
ak._v2.forms.bytemaskedform.ByteMaskedForm
ak._v2.forms.emptyform.EmptyForm
ak._v2.forms.form.from_iter
ak._v2.forms.form.from_json
ak._v2.forms.form.Form
ak._v2.forms.indexedform.IndexedForm
ak._v2.forms.indexedoptionform.IndexedOptionForm
ak._v2.forms.listform.ListForm
ak._v2.forms.listoffsetform.ListOffsetForm
ak._v2.forms.numpyform.from_dtype
ak._v2.forms.numpyform.NumpyForm
ak._v2.forms.recordform.RecordForm
ak._v2.forms.regularform.RegularForm
ak._v2.forms.unionform.UnionForm
ak._v2.forms.unmaskedform.UnmaskedForm
ak._v2.forms.virtualform.VirtualForm
ak._v2.identifier.Identifier
ak._v2.index.Index
ak._v2.index.Index8
ak._v2.index.IndexU8
ak._v2.index.Index32
ak._v2.index.IndexU32
ak._v2.index.Index64
ak._v2.record.Record
ak._v2.tmp_for_testing.v1v2_id_equal
ak._v2.tmp_for_testing.v1v2_equal
ak._v2.tmp_for_testing.v1_to_v2_id
ak._v2.tmp_for_testing.v1_to_v2
ak._v2.tmp_for_testing.v2_to_v1_id
ak._v2.tmp_for_testing.v2_to_v1
ak._v2.types.arraytype.ArrayType
ak._v2.types.listtype.ListType
ak._v2.types.numpytype.NumpyType
ak._v2.types.optiontype.OptionType
ak._v2.types.recordtype.RecordType
ak._v2.types.regulartype.RegularType
ak._v2.types.type.Type
ak._v2.types.uniontype.UnionType
ak._v2.types.unknowntype.UnknownType
Kernel interface and specification
Awkward Array
Docs
»
ak._util.key2index
ak._util.key2index
¶
Defined in
awkward._util
on
line 521
.
ak._util.
key2index
(
keys
,
key
)
¶
Read the Docs
v: latest
Versions
latest
stable
Downloads
On Read the Docs
Project Home
Builds
Free document hosting provided by
Read the Docs
.