22 lines
1.0 KiB
Plaintext
22 lines
1.0 KiB
Plaintext
# create a constant array of integers and set its values #
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[]INT constant array = ( 1, 2, 3, 4 );
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# create an array of integers that can be changed, note the size mst be specified #
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# this array has the default lower bound of 1 #
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[ 5 ]INT mutable array := ( 9, 8, 7, 6, 5 );
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# modify the second element of the mutable array #
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mutable array[ 2 ] := -1;
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# array sizes are normally fixed when the array is created, however arrays can be #
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# declared to be FLEXible, allowing their sizes to change by assigning a new array to them #
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# The standard built-in STRING is notionally defined as FLEX[ 1 : 0 ]CHAR in the standard prelude #
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# Create a string variable: #
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STRING str := "abc";
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# assign a longer value to it #
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str := "bbc/itv";
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# add a few characters to str, +=: adds the text to the beginning, +:= adds it to the end #
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"[" +=: str; str +:= "]"; # str now contains "[bbc/itv]" #
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# Arrays of any type can be FLEXible: #
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# create an array of two integers #
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FLEX[ 1 : 2 ]INT fa := ( 0, 0 );
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# replace it with a new array of 5 elements #
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fa := LOC[ -2 : 2 ]INT;
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