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BitSHLN
Last update:
May 18, 2026
Description
Performs a bitwise shift-left, no-rotation operation.
Returns
A number, bitwise shifted without rotation to the left by count bits.
Category
Function syntax
BitSHLN(number, count) |
See also
Parameters
Parameter | Description |
number | 32-bit signed integer |
count | Integer, in the range 0-31, inclusive; number of bits to shift the number |
Usage
Bit functions operate on 32-bit signed integers, in the range -2147483648 - 2147483647.
Example
<h3>BitSHLN Example</h3>
<p>Returns the number, bitwise shifted, without rotation, to the left by count bits.</p>
<p>BitSHLN(1,1): <cfoutput>#BitSHLN(1,1)#</cfoutput></p>
<p>BitSHLN(1,30): <cfoutput>#BitSHLN(1,30)#</cfoutput></p>
<p>BitSHLN(1,31): <cfoutput>#BitSHLN(1,31)#</cfoutput></p>
<p>BitSHLN(2,31): <cfoutput>#BitSHLN(2,31)#</cfoutput></p>Example
<cfscript>
number = 1 ;
count = 30 ;
writeOutput(bitshln(number, count)) ; //Returns 1073741824
</cfscript>
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