Insert a new element in an Rd object

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Description

Insert a new element at a given position in an Rd object.

Usage

1
Rdo_insert_element(rdo, val, pos)

Arguments

rdo

an Rd object

val

the content to insert.

pos

position at which to insert val, typically an integer but may be anything accepted by the operator "[[".

Details

val is inserted at position pos, between the elements at positions pos-1 and pos. If pos is equal to 1, val is prepended to rdo. If pos is missing or equal to the length of rdo, val is appended to rdo.

todo: allow vector pos to insert deeper into the object.

todo: character pos to insert at a position specified by "tag" for example?

todo: more guarded copying of attributes?

Value

an Rd object

Author(s)

Georgi N. Boshnakov

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