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[ [ $var(static. $+ %dynamic1 $+ %dynamic2,1) ] ] | [ [ $var(static. $+ %dynamic1 $+ %dynamic2,1) ] ] | ||
etc.. | etc.. | ||
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2. Using $eval | 2. Using $eval | ||
− | You can also get the value of a dynamic variable by using {{mIRC|$eval}} | + | You can also get the value of a dynamic variable by using {{mIRC|$eval}}, $eval allows you to force an expression to evaluate more than once, a bit like the brackets [ ], but brackets are meant to alter the order of evaluation of a line, which itself can have its own drawbacks. |
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− | $eval allows you to force an expression to evaluate more than once, a bit like the brackets [ ], but brackets are meant to alter the order of evaluation of a line, which itself can have its own drawbacks. | ||
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<syntaxhighlight lang="mirc">$eval($+(%,<static>,<dynamic>),2)</syntaxhighlight>From our earlier example: | <syntaxhighlight lang="mirc">$eval($+(%,<static>,<dynamic>),2)</syntaxhighlight>From our earlier example: | ||
<syntaxhighlight lang="mirc">var %color = %color. [ $+ [ $2 ] ]</syntaxhighlight> | <syntaxhighlight lang="mirc">var %color = %color. [ $+ [ $2 ] ]</syntaxhighlight> | ||
is the same as | is the same as | ||
<syntaxhighlight lang="mirc">var %color = $eval($+(%,color.,$2),2)</syntaxhighlight>$+(%,color.,$2) will produce the plain text "%color.John", and that is then evaluated a second time (the 2 in $eval(,2)) to produce the value of the variable just like usual. Note that with the brackets method, you also get a double evaluation, but they happen at a different levels. | <syntaxhighlight lang="mirc">var %color = $eval($+(%,color.,$2),2)</syntaxhighlight>$+(%,color.,$2) will produce the plain text "%color.John", and that is then evaluated a second time (the 2 in $eval(,2)) to produce the value of the variable just like usual. Note that with the brackets method, you also get a double evaluation, but they happen at a different levels. | ||
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'''Note''': $eval is often used in the simple form $() | '''Note''': $eval is often used in the simple form $() |