Unevaluated

Unevaluated[expr] represents the unevaluated form of expr when it appears as the argument to a function.

f[Unevaluated[expr]] effectively works by temporarily setting attributes so that f holds its argument unevaluated, then evaluating f[expr].

Example: Length[Unevaluated[5+6]] .

See Section 2.6.5.

See also: Hold, HoldFirst, ReplacePart.

New in Version 2.

Further Examples