setFirst!

Usage

setFirst!(l,t)

Signature

setFirst!:

(%,T) $\to$ T

Parameter	Type	Description
l	%	a nonempty list
t	%	an element

Description

Replaces the first element of l by t and returns t.

Remarks

setFirst!(l,t) does not make a copy of l, which is therefore modified after the call.

See Also

setRest!