Runtime evaluation/In an environment: Difference between revisions
Runtime evaluation/In an environment (view source)
Revision as of 18:32, 21 April 2024
, 25 days agoAdded FreeBASIC
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</syntaxhighlight>
The result is 24.0 (a real number).
=={{header|Arturo}}==
<syntaxhighlight lang="arturo">code: [x * 2]
fn: function [x]->
do with 'x code
a: fn 2
b: fn 4
print b - a</syntaxhighlight>
{{out}}
<pre>4</pre>
=={{header|AutoHotkey}}==
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=={{header|Elena}}==
ELENA
Using VM console client:
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var arg := program_arguments[2];
var program := lscript.
console.printLine(
text,",",arg," = ",program.eval(arg.toReal()));
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LOOP
; ok</syntaxhighlight>
=={{header|FreeBASIC}}==
<syntaxhighlight lang="vbnet">#include "solver.bi"
Dim As String expression = "(x ^ 2 )-7"
setVar("x",1.2)
Print "one = ";Solver(expression)
setVar("x",3.4)
Print "two = ";Solver(expression)
Sleep</syntaxhighlight>
{{out}}
<pre>one = -5.560000000000001
two = 4.559999999999999</pre>
=={{header|Genyris}}==
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=={{header|RPL}}==
A first way to answer the task is to use the possibility of passing local variables from one program to another, the calling program being in charge of achieving the binding of values to the x variable.
≪ 2 x ^ ≫ 'POWR2' STO
{{in}}
<pre>
5 3 DIFFP
▲3 5 ≪ → x ≪ POW2 SWAP ≫ → x ≪ POW2 - ≫ EVAL
</pre>
{{out}}
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1: 24
</pre>
Another solution is to let the algebraic interpreter do the binding:
≪ → x ≪ 2 x ^ ≫ ≫ 'POWR2' STO
{{in}}
<pre>
'POWR2(5)-POWR2(3)' EVAL
</pre>
{{out}}
<pre>
1: 24
</pre>
=={{header|Ruby}}==
<syntaxhighlight lang="ruby">def bind_x_to_value(x)
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=={{header|Wren}}==
Wren has
However, it only appears to work with module level variables.
<syntaxhighlight lang="
var x
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{{omit from|GUISS|Does not have variables}}
{{omit from|Lily}}
{{omit from|Insitux}}
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