ReleaseHold

ReleaseHold[expr] removes Hold, HoldForm, HoldPattern and HoldComplete in expr.

Example: ReleaseHold[2, Hold[1 + 1]] .

ReleaseHold removes only one layer of Hold etc.; it does not remove inner occurrences in nested Hold etc. functions.

See Section 2.6.5.

See also: Evaluate.

New in Version 2.

Further Examples