is an attribute that specifies that Sequence objects appearing in the arguments of a function should not automatically be flattened out.


SequenceHold
is an attribute that specifies that Sequence objects appearing in the arguments of a function should not automatically be flattened out.
Examples
open all close allBasic Examples (1)
Properties & Relations (3)
The attribute HoldAll does not prevent splicing of sequences:
SequenceHold is also necessary:
The attribute HoldAllComplete implies SequenceHold:
Assignment operators are SequenceHold, so that sequences can be returned as results:
See Also
Tech Notes
Related Guides
Related Workflows
- Handle Code Symbolically
History
Introduced in 1996 (3.0)
Text
Wolfram Research (1996), SequenceHold, Wolfram Language function, https://reference.wolfram.com/language/ref/SequenceHold.html.
CMS
Wolfram Language. 1996. "SequenceHold." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/SequenceHold.html.
APA
Wolfram Language. (1996). SequenceHold. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/SequenceHold.html
BibTeX
@misc{reference.wolfram_2025_sequencehold, author="Wolfram Research", title="{SequenceHold}", year="1996", howpublished="\url{https://reference.wolfram.com/language/ref/SequenceHold.html}", note=[Accessed: 16-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_sequencehold, organization={Wolfram Research}, title={SequenceHold}, year={1996}, url={https://reference.wolfram.com/language/ref/SequenceHold.html}, note=[Accessed: 16-August-2025]}