# routine msb

Documentation for routine `msb`

assembled from the following types:

# class Int

From Int

## (Int) routine msb

Defined as:

multi method msb(Int:)multi sub msb(Int)

Short for "Most Significant Bit". Returns Nil if the number is 0. Otherwise returns the zero-based index from the right of the most significant (leftmost) 1 in the binary representation of the number.

say 0b00001.msb; # OUTPUT: «0»say 0b00011.msb; # OUTPUT: «1»say 0b00101.msb; # OUTPUT: «2»say 0b01010.msb; # OUTPUT: «3»say 0b10011.msb; # OUTPUT: «4»