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 # TstBitMask

 Last update: 17.07.2025 

Returns whether all bits defined in mask are set in the input.

## Interface

NameKindTypeCommentNPN/ASize of the bit-fieldbfIunsigned<<N>>Input bit-fieldmaskIunsigned<<N>>Mask used to set the bitsvOboolResult of the operation**Parent topic:**[Bitfield](../../libraries/bitfield/bitfield.md)