colors.subtract

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Grid Redstone.png  Function colors.subtract
Computes the difference of a set by removing colors from it; each parameter beyond the first may be a single color or may be a set of colors (in the latter case, all colors in the set are removed from the original set)
Syntax colors.subtract(int colors, int color1, int color2, …)
Returns int the set colors after removing sets color1, color2, …
Part of ComputerCraft
API color

Examples

Grid paper.png  Example
Beginning with white, magenta, and light blue, remove magenta to yield 9 (the bitwise combination of white and light blue)
Code
print(colors.subtract(colors.combine(colors.white, colors.magenta, colours.lightBlue), colors.magenta))
Output 9