SEARCH MATHEMATICA 8 DOCUMENTATION

THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION.

Mathematica > Evaluation Control >

Built-in Mathematica Symbol

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].

Feed an unevaluated expression to Length:

New in 2