Implicit concatenation: Difference between revisions
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Implicit concatenation eliminates the need to precede <var class="product">User Language</var> variables (including methods chained off a variable) and literals with the operator <code>With</code> to indicate concatenation. For example, the following statement sets <code>%foo</code> to the contents of <code>%test</code> enclosed within parentheses: | |||
<p class="code">%foo = "(" %test ")"</p> | |||
And the following statement sets <code>%foo</code> to the reversed, right-most 4 characters of <code>%test</code> enclosed within parentheses: | |||
<p class="code">%foo = "(" %test:right(4):reverse ")"</p> | |||
If <code>%nal</code> is a <var>Named Arraylist</var> of <var>String</var>, implicit concatenation lets you assign to <code>%foo</code> value of item <code>%x +1</code> embedded inside single quotes: | |||
<p class="code">%foo = "'" %nal(%x + 1) "'"</p> | |||
The [[At sign (@) on right side of assignment|at sign (@)]] will also be implicitly concatenated if not preceded by an operator. For example, the follow concatenates a "==>" to the current contents of <code>%string</code> and assigns it to <code>%string</code>: | |||
<p class="code">%string = '==>' @</p> | |||
In <var class="product">Sirius Mods</var> 8.1 and later, the results of a $function will also be implicitly concatenated with the preceding expression results: | |||
<p class="code">%message = "The problem happened at " $time " on " $date "."</p> | |||
<var>With</var> is still required before field names: | |||
<p class="code">%foo = '>>' with FIELD NAME</p> | |||
And <var>With</var> is still required before expressions in parentheses: | |||
<p class="code">%foo = '>>' with (%x + 2) </p> | |||
[[Category:User Language syntax enhancements]] | |||
Latest revision as of 03:39, 3 October 2012
Implicit concatenation eliminates the need to precede User Language variables (including methods chained off a variable) and literals with the operator With to indicate concatenation. For example, the following statement sets %foo to the contents of %test enclosed within parentheses:
%foo = "(" %test ")"
And the following statement sets %foo to the reversed, right-most 4 characters of %test enclosed within parentheses:
%foo = "(" %test:right(4):reverse ")"
If %nal is a Named Arraylist of String, implicit concatenation lets you assign to %foo value of item %x +1 embedded inside single quotes:
%foo = "'" %nal(%x + 1) "'"
The at sign (@) will also be implicitly concatenated if not preceded by an operator. For example, the follow concatenates a "==>" to the current contents of %string and assigns it to %string:
%string = '==>' @
In Sirius Mods 8.1 and later, the results of a $function will also be implicitly concatenated with the preceding expression results:
%message = "The problem happened at " $time " on " $date "."
With is still required before field names:
%foo = '>>' with FIELD NAME
And With is still required before expressions in parentheses:
%foo = '>>' with (%x + 2)