Add a value at the start of a list.

[Joe Horn]

(01-12-2024 11:13 PM)BruceH Wrote:  

(01-10-2024 10:57 PM)matalog Wrote:  Is there a way to add a value to the start of a list?

Code:

INSERT({1,2,3},1,5) -> {5,1,2,3}
INSERT([1,2,3],1,5) -> [5,1,2,3]

Or, slightly simpler:

Code:

prepend({1,2,3},5) -> {5,1,2,3}
prepend([1,2,3],5) -> [5,1,2,3]