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https://github.com/QB64-Phoenix-Edition/QB64pe.git
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6e01fc8dce
Added new _STRCMP and _STRICMP commands for quick string comparisons. Cleaned up QB64 to finish removing the QUI (quick user insert) code and folders. Altered UCASE and LCASE routines to be faster in some situations for us.
35 lines
1.1 KiB
Plaintext
35 lines
1.1 KiB
Plaintext
The {{KW|LBOUND}} function returns the smallest valid index (lower bound) of an array dimension.
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{{PageSyntax}}
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:''result%'' = {{KW|LBOUND}}({{Parameter|arrayName}}[, {{Parameter|dimension%}}])
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{{PageDescription}}
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* {{Parameter|arrayName}} specifies the name of the array.
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* {{Parameter|dimension%}} specifies the dimension number, starting with <code>1</code> for the first dimension.
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** If omitted, {{Parameter|dimension%}} is assumed to be <code>1</code>.
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** If {{Parameter|dimension%}} is less than <code>1</code> or is greater than the number of dimensions, a [[ERROR Codes|subscript out of range]] error occurs.
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* {{KW|LBOUND}}, along with {{KW|UBOUND}}, is used to determine the range of valid indexes of an array.
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{{PageExamples}}
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{{CodeStart}}{{Cl|DIM}} myArray(5) {{Cl|AS}} {{Cl|INTEGER}}
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{{Cl|DIM}} myOtherArray(1 to 2, 3 to 4) {{Cl|AS}} {{Cl|INTEGER}}
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{{Cl|PRINT}} {{Cl|LBOUND}}(myArray)
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{{Cl|PRINT}} {{Cl|LBOUND}}(myOtherArray, 2)
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{{CodeEnd}}
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{{OutputStart}} 0
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3
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{{OutputEnd}}
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{{PageSeeAlso}}
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* {{KW|Arrays}}, {{KW|UBOUND}}
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* {{KW|DIM}}, {{KW|COMMON}}, {{KW|STATIC}}, {{KW|SHARED}}
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{{PageNavigation}} |