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https://github.com/polserver/polserver
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29 lines
1.1 KiB
Text
29 lines
1.1 KiB
Text
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// Trim() takes a type selecting which end to cut: 1 leading, 2 trailing, 3 both.
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var s := " ab ";
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print( "[" + Trim( s, TRIM_LEFT ) + "]" );
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print( "[" + Trim( s, TRIM_RIGHT ) + "]" );
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print( "[" + Trim( s, TRIM_BOTH ) + "]" );
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// A string of nothing but trimmed characters comes back empty for every type.
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var blank := " ";
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print( "[" + Trim( blank, TRIM_LEFT ) + "]" );
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print( "[" + Trim( blank, TRIM_RIGHT ) + "]" );
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print( "[" + Trim( blank, TRIM_BOTH ) + "]" );
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// The set of characters to trim is the third parameter, and it is a set rather than a
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// substring, so any of its members is cut.
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var padded := "xyxabxyx";
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print( "[" + Trim( padded, TRIM_LEFT, "xy" ) + "]" );
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print( "[" + Trim( padded, TRIM_RIGHT, "xy" ) + "]" );
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print( "[" + Trim( padded, TRIM_BOTH, "xy" ) + "]" );
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// A type outside 1-3 is clamped into range rather than rejected, so it always trims
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// something: anything below 1 becomes leading, anything above 3 becomes both.
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print( "[" + Trim( s, 0 ) + "]" );
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print( "[" + Trim( s, 9 ) + "]" );
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// Subscripting a string with a real truncates it to an index.
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var h := "hello";
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print( h[2.0] );
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print( h[2.9] );
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