mirror of
https://github.com/polserver/polserver
synced 2026-08-13 08:23:08 -04:00
50 lines
1.3 KiB
Text
50 lines
1.3 KiB
Text
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// The operators a class instance inherits from struct. A script never holds the class instance
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// itself - `this` is a reference too - so every one of these goes through the reference and is
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// forwarded on.
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class Point()
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function Point( this, x := 0 )
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this.x := x;
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endfunction
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function bump( this )
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// the same operators work on `this`, which is a reference like any other
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this["x"] := this["x"] + 1;
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return this.x;
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endfunction
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endclass
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var p := Point( 5 );
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print( "typeof: " + TypeOf( p ) );
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print( "typeofint: " + TypeOfInt( p ) );
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// an instance is always true, even with no members at all
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if ( p )
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print( "istrue: 1" );
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else
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print( "istrue: 0" );
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endif
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print( "member: " + p.x );
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print( "subscript: " + p["x"] );
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// only by name, a struct has no positions
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print( "by index: " + p[1] );
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p["x"] := 9;
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print( "assigned: " + p.x );
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print( "in method: " + p.bump() );
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// .+ adds a member and refuses to add it twice, .- removes one, .? answers whether it is there
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print( "dotplus: " + ( p.+y ) );
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print( "dotplus 2: " + ( p.+y ) );
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print( "has y: " + ( p.?y ) );
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print( "dotminus: " + ( p.-y ) );
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print( "has y now: " + ( p.?y ) );
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print( "dotminus 2: " + ( p.-y ) );
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var empty := Point();
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if ( empty )
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print( "empty true: 1" );
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else
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print( "empty true: 0" );
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endif
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