65.4 IsCodeword

IsCodeword( obj )

IsCodeword returns true if obj, which can be an object of arbitrary type, is of the codeword type and false otherwise. The function will signal an error if obj is an unbound variable.

    gap> IsCodeword(1);
    false
    gap> IsCodeword(ReedMullerCode(2,3));
    false
    gap> IsCodeword("11111");
    false
    gap> IsCodeword(Codeword("11111"));
    true 

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