# Uses of Interface
jdk.incubator.foreign.MemoryLayout.PathElement

Packages that use MemoryLayout.PathElement
Package
Description
jdk.incubator.foreign
Classes to support low-level and efficient foreign memory/function access, directly from Java.

## Uses of MemoryLayout.PathElement in jdk.incubator.foreign

Methods in jdk.incubator.foreign that return MemoryLayout.PathElement
Modifier and Type
Method
Description
`static MemoryLayout.PathElement`
MemoryLayout.PathElement.`groupElement​(String name)`
Returns a path element which selects a member layout with given name from a given group layout.
`static MemoryLayout.PathElement`
MemoryLayout.PathElement.`sequenceElement()`
Returns a path element which selects an unspecified element layout from a given sequence layout.
`static MemoryLayout.PathElement`
MemoryLayout.PathElement.`sequenceElement​(long index)`
Returns a path element which selects the element layout at the specified position in a given the sequence layout.
`static MemoryLayout.PathElement`
MemoryLayout.PathElement.`sequenceElement​(long start, long step)`
Returns a path element which selects the element layout in a range of positions in a given the sequence layout, where the range is expressed as a pair of starting index (inclusive) `S` and step factor (which can also be negative) `F`.
Methods in jdk.incubator.foreign with parameters of type MemoryLayout.PathElement
Modifier and Type
Method
Description
`default long`
MemoryLayout.`bitOffset​(MemoryLayout.PathElement... elements)`
Computes the offset, in bits, of the layout selected by a given layout path, where the path is considered rooted in this layout.
`default MethodHandle`
MemoryLayout.`bitOffsetHandle​(MemoryLayout.PathElement... elements)`
Creates a method handle that can be used to compute the offset, in bits, of the layout selected by a given layout path, where the path is considered rooted in this layout.
`default long`
MemoryLayout.`byteOffset​(MemoryLayout.PathElement... elements)`
Computes the offset, in bytes, of the layout selected by a given layout path, where the path is considered rooted in this layout.
`default MethodHandle`
MemoryLayout.`byteOffsetHandle​(MemoryLayout.PathElement... elements)`
Creates a method handle that can be used to compute the offset, in bytes, of the layout selected by a given layout path, where the path is considered rooted in this layout.
`default MemoryLayout`
MemoryLayout.`map​(UnaryOperator<MemoryLayout> op, MemoryLayout.PathElement... elements)`
Creates a transformed copy of this layout where a selected layout, from a path rooted in this layout, is replaced with the result of applying the given operation.
`default MemoryLayout`
MemoryLayout.`select​(MemoryLayout.PathElement... elements)`
Selects the layout from a path rooted in this layout.
`default VarHandle`
MemoryLayout.`varHandle​(Class<?> carrier, MemoryLayout.PathElement... elements)`
Creates a memory access var handle that can be used to dereference memory at the layout selected by a given layout path, where the path is considered rooted in this layout.