class seekable_output_resource

template <
    typename Position
>
class seekable_output_resource
    : public virtual seekable_transfer_resource<Position>
    , public output_resource

Description

A seekable output resource is an output resource that can seek, that is, change where write operations will take place next.

Public Aliases

using position_type = Position

The type of this resource's position.

Public Member Functions

explicit
seekable_output_resource (
    std::size_t buffer_capacity = io_buffer::default_buffer_capacity
)

Constructs a seekable output resource with the given buffer capacity.

Parameters:
  • buffer_capacity:

    The capacity of the I/O buffer. If this is zero, the seekable output resource is completely unbuffered.

seekable_output_resource (
    const seekable_output_resource& other
)

Copy-constructs a seekable_output_resource from an existing one.

Parameters:
  • other:

    The seekable_output_resource to copy from.

seekable_output_resource&
operator = (
    const seekable_output_resource& other
)

Copy-assigns a seekable_output_resource into this one.

Parameters:
  • other:

    The seekable_output_resource to copy from.

seekable_output_resource (
    seekable_output_resource&& other
)
noexcept

Move-constructs a seekable_output_resource from an existing one.

Parameters:
  • other:

    The seekable_output_resource to move from.

seekable_output_resource&
operator = (
    seekable_output_resource&& other
)
noexcept

Move-assigns a seekable_output_resource into this one.

Parameters:
  • other:

    The seekable_output_resource to move from.

void
set_position (
    position_type new_position,
    position_reference pr
)
noexcept override

Sets the position of this seekable output resource.

Parameters:
  • new_position:

    The new position of this seekable output resource.

  • pr:

    The reference that the new position is relative to.

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