HoldRest

is an attribute which specifies that all but the first argument to a function are to be maintained in an unevaluated form.

Examples

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Implement your own conditional:

Use Evaluate to force evaluation of an argument of a HoldRest function:

Suppress the evaluation of all but the first argument of a pure function:

Sequence splitting still happens for HoldRest functions:

NHoldRest protects arguments from N, but evaluates them normally otherwise:

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