U()

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20px-Function.png u([<obj>/]<attr>[,<arg>]...)

The u function evaluates an attribute, either from the object performing the function or from another object you own, passing in arguments and returning the result.

When evaluating the fetched attribute, %# refers to the original enactor and not the 'calling' object, and 'me' refers to the object that supplied the attribute.

Examples

> @va me=Word is [extract(v(vb),add(%0,1),1)], arg2 is %1.

> @vb me=This is a test of the u function.

> say u(va,4,Testing 123)

You say "Word is of, arg2 is Testing 123."

> say u(va,7)

You say "Word is function., arg2 is ."

> say u(me/va,6,Foobar)

You say "Word is u, arg2 is Foobar."

Related Topics

s(), v(), get(), get_eval(), map(), ulocal(), extract(), add(), Substitutions.


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