26 lines
584 B
Go
26 lines
584 B
Go
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package bits
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// IsOn returns true if *all* bits set in 'bits' are set in 'mask'.
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func IsOn32(mask, bits uint32) bool {
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return mask&bits == bits
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}
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// IsAnyOn returns true if *any* bit set in 'bits' is set in 'mask'.
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func IsAnyOn32(mask, bits uint32) bool {
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return mask&bits != 0
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}
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// Mask returns a T with all of the given bits set.
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func Mask32(is ...int) uint32 {
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ret := uint32(0)
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for _, i := range is {
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ret |= MaskOf32(i)
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}
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return ret
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}
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// MaskOf is like Mask, but sets only a single bit (more efficiently).
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func MaskOf32(i int) uint32 {
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return uint32(1) << uint32(i)
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}
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